Identify the function of the suffix and choose the correct word/phrase for each sentence.

Here are the answers to your English questions:

21. The suffix '-ly' usually forms adverbs from adjectives.

    • C) makes adverb

22. The suffix '-er' is used to form comparative adjectives (e.g., taller, faster).

    • A) -er

23. The suffixes '-ness', '-ion', and '-tion/-sion' are used to form nouns. '-es' is typically a plural marker for nouns, not a suffix that forms a noun from another word class.

    • C) -es

24. "Should" is used to give advice or make a recommendation.

    • D) should

25. "Mustn't" expresses a strong prohibition or a rule that must not be broken.

    • B) mustn't

26. "Don't have to" indicates that something is not necessary. Since the deadline is extended, rushing is not necessary.

    • B) don't have to

27. "Must" expresses a strong obligation or necessity.

    • A) must

28. "Should" is used to express a recommendation or what is advisable to achieve a goal.

    • B) should

29. "Ought to" expresses a moral obligation or a strong recommendation, similar to "should" but often with a stronger sense of duty.

    • B) ought to

30. Options A and B are identical and grammatically correct. "Which" is used to refer to things.

    • A) The book which I borrowed from the library is very interesting.

31. "Whose" is used to show possession (the students belong to the teacher).

    • C) whose

32. "Where" is used to refer to a place.

    • C) where

33. "Whom" is the object of the verb "consulted" (I consulted him).

    • D) whom

34. "Who" is the subject of the verb "teaches".

    • A) who

35. "Where" refers to the place (the vehicle) where the gun was found.

    • B) where the gun was found

36. "To whom" is correct because "whom" is the object of the preposition "to".

    • B) to whom

37. The present perfect tense ("has lost") is used for an action that happened in the past but has a result relevant to the present (she can't find them now).

    • B) has lost

38. "Yet" is commonly used with the present perfect tense in negative sentences to indicate that something has not happened up to the present moment.

    • A) haven't eaten

39. "For" is used to specify a duration of time.

    • C) for