Mark the letter A, B, C, or D to indicate the correct answer: We should participate

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each question.

A. organizing to conserve

B. organized to conserve

C. organized conserving

D. which organize to conserve

* Đáp án

B

* Hướng dẫn giải

Đáp án B.

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