The water around the Hawaiian Islands is________ often quite cold

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.

A. often quite cold

B. full of colorful things to see

C. usually very dark

D. full of dangerous fish

* Đáp án

D

* Hướng dẫn giải

Đáp án D

Từ “ these” ở đoạn văn số 2 ám chỉ đến…=> Nitrat và nitric

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