Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions Little have people done to alleviate the...

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

A. have people done

B. caused

C. in central

D. haven’t they 

* Đáp án

D

* Hướng dẫn giải

Đáp án D

Sửa haven’t they have they vì « litttle » mang nghĩa phủ định nên phần đuôi phải là dạng khẳng định

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