Dust storms most often occur in areas where the ground has little vegetation

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Dust storms most often occur in areas where the ground has little vegetation to protect       of the wind.

A. from the effects

B. it from the effects

C. it the effects

D. the effected from it

* Đáp án

* Hướng dẫn giải

Đáp án là B. protect someone/ something from someone/something: bảo vệ ai đó/ cái gì khỏi ai đó/ cái gì

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