ENGLISH UNITWISE 3 – Answers Key & Explanation

1. Spot the Error
Answer: A (“Knowledges”)
Explanation: “Knowledge” is an uncountable noun and should not be pluralized. The correct form is “Knowledge about cultures provides…”.

2. Spot the Error
Answer: C (Missing punctuation)
Explanation: The sentence contains two independent clauses. A semicolon or period is required: “A neutrino is a subatomic particle; it has no electrical charge.”

3. Spot the Error
Answer: D (“their”)
Explanation: The singular noun “octopus” requires the singular possessive pronoun “its,” not “their.” Correct: “to pump blood throughout its body.”

4. Spot the Error
Answer: A (“they”)
Explanation: The pronoun “they” is redundant. The correct clause is: “The plants that belong to the family of ferns…”

5. Spot the Error
Answer: D (“weighs”)
Explanation: “Weighs” is a verb form. The correct noun is “weights” (referring to atomic masses). Correct: “have different weights.”

6. Choose the Correct Sentence
Answer: D) “It is he, so I don’t have to slink away embarrassed, thank goodness.”
Explanation: “It is he” is grammatically correct (subject pronoun). “Thank goodness” is the proper idiom.

7. Choose the Correct Sentence
Answer: C) “I don’t eat meat and my husband doesn’t either.”
Explanation: “Doesn’t either” is the correct negative agreement. “Neither” would require restructuring (e.g., “and neither does my husband”).

8. Choose the Correct Sentence
Answer: A) “What are the benefits for Britain of belonging to the European Union?”
Explanation: “Belonging” is the correct gerund form, and “European Union” is a proper noun requiring capitalization.

9. Choose the Correct Sentence
Answer: A) “There were many conspiracy theories surrounding Princess Diana’s death.”
Explanation: “Many” is used with countable nouns (“theories”), and “surrounding” is the correct participle.

10. Choose the Correct Sentence
Answer: C) “Only hair of the highest quality is used which is bonded to small sections of your hair.”
Explanation: “Hair” is uncountable and takes singular verbs (“is”). The possessive “your hair” is correct.

11. Choose the Correct Sentence
Answer: C) “Reading is not an end to itself, but a means to an end.”
Explanation: “Means” (plural form denoting method) is correct here. “Himself” is incorrect as “reading” is impersonal.

12. Choose the Correct Sentence
Answer: C) “I would, however, prefer that you got as much advice as possible from the books first.”
Explanation: “Advice” is uncountable; “much” is appropriate. “Pieces of advice” is also correct but verbose.

13. Choose the Correct Sentence
Answer: A) “The war has left thousands of children as orphans.”
Explanation: “Thousands” is correct for pluralizing countable nouns. “Children” is already plural (“childrens” is incorrect).

14. Choose the Correct Sentence
Answer: A) “The two halves of the main branch have grown apart, forming separate trees.”
Explanation: “Halves” is the correct plural of “half,” and “have” agrees with the plural subject “halves.”

15. Choose the Correct Sentence
Answer: D) “These true-life oases in the middle of a desert are a marvel of nature.”
Explanation: “Oases” is the correct plural of “oasis,” and “are” agrees with the plural subject.

16. Choose the Correct Sentence
Answer: A) “Would you exchange this one hundred dollar bill with five twenties?”
Explanation: “One hundred dollar bill” is correct (singular “dollar” for compound adjectives). “Twenties” is the proper plural form.

17. Choose the Correct Sentence
Answer: D) “Bob’s and Jane’s children are in kindergarten.”
Explanation: Both names need possessive forms (“Bob’s and Jane’s”) as they jointly own the children. “Children” is correct (no “s”).

18. Choose the Correct Sentence
Answer: C) “The man whose house we visited has gone away.”
Explanation: “Whose” is the possessive relative pronoun required here. “Whom” and “who” are incorrect for possession.

19. Choose the Correct Sentence
Answer: D) “His cow gives much more milk than mine or yours.”
Explanation: “Mine” and “yours” are possessive pronouns matching “his cow.” “My or your” would require nouns (e.g., “my cow”).

20. Choose the Correct Sentence
Answer: A) “The baby drinks an 8-ounce bottle of milk every two hours.”
Explanation: “An 8-ounce bottle” is correct (hyphenated compound adjective). “Bottle” is singular to match “an.”

21. Choose the Correct Sentence
Answer: B) “He and I dissent from one another in choosing a suitable candidate.”
Explanation: “One another” is used for more than two people. “Dissent” agrees with the plural subject “He and I.”

22. Complete the Sentence
Answer: C) “neither of”
Explanation: “Neither of” emphasizes that none among a group (here, “us”) can solve the problem.

73. Complete the Sentence
Answer: B) “another”
Explanation: “Another” refers to an additional packet of flour, which is needed.

24. Complete the Sentence
Answer: C) “me”
Explanation: The objective pronoun “me” is required after the preposition “with.”

25. Complete the Sentence
Answer: C) “something”
Explanation: “Something cool” refers to an unspecified refreshing drink, fitting the context.

26. Complete the Sentence
Answer: C) “One’s”
Explanation: “One’s” is the gender-neutral possessive pronoun matching the impersonal “a person.”

27. Complete the Sentence
Answer: A) “They”
Explanation: “They” refers to the plural group (“my wife and two sons”).

28. Complete the Sentence
Answer: D) “each other”
Explanation: “Each other” implies mutual encouragement among team members.

29. Complete the Sentence
Answer: C) “itself”
Explanation: The reflexive pronoun “itself” refers back to the singular subject “the cat.”

30. Complete the Sentence
Answer: D) “yourselves”
Explanation: “Yourselves” is the reflexive pronoun for the plural “daughters.”

31. Complete the Sentence
Answer: C) “her”
Explanation: The possessive pronoun “her” modifies “brother,” indicating Kim’s relationship.

32. Complete the Sentence
Answer: D) “mine”
Explanation: “Mine” is the possessive pronoun replacing “my drawing.”

33. Complete the Sentence
Answer: B) “yourselves”
Explanation: “Yourselves” is the reflexive pronoun addressing the plural “us.”

34. Complete the Sentence
Answer: C) “these”
Explanation: “These” specifies nearby toys, matching the question’s context.

35. Complete the Sentence
Answer: C) “Mine”
Explanation: “Mine” is the possessive pronoun replacing “my pencil.”

36. Complete the Sentence
Answer: A) “condense”
Explanation: “Condense” means to compress information concisely, fitting the context.

37. Complete the Sentence
Answer: B) “consideration”
Explanation: “Consideration” means thoughtful regard for others’ feelings, aligning with “well-bred.”

38. Complete the Sentence
Answer: C) “distinct”
Explanation: “Distinct” implies a clear, noticeable possibility, suitable for diplomatic contexts.

39. Complete the Sentence
Answer: B) “right”
Explanation: A legal entitlement (e.g., voting) is termed a “right.”

40. Complete the Sentence
Answer: B) “pleased, over”
Explanation: “Pleased to have him over” is idiomatic for hosting someone successfully.