K4

VI/ Read the following passage and choose the option (A, B, C, D) to indicate the correct word or phrase that best fits each of the numbered blanks. (1.0pt)

A/ We are slowly destroying the earth. The seas and rivers (21)……………….. too dirty to swim in. here ia so much smoke in the air that it is (22) ……………………….. to live in many of the world’scities. In one well – known city, for example, poisonous gases (23) …………………….. cars pollute the air so much that traffic policemen have to wear oxygen masks. We must act now before it is too late (24) ………………….. anything about it.

Question 21. A. were                B. is               C. are                D. was

Question 22. A. healthy                  B. unhealthy                  C. healthful                D. healthily

Question 23. A. on                      B. at                    C. from                       D. in

Question 24. A. to do                   B. do                    C. doing                   D. did

H24
9 tháng 3 2023 lúc 22:28

21a

22b

23c

24a

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