In addition to the challenge to be excellent, American schools have been facing

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks. Fill in the appropriate word in question 33

A. on

B. into

C. for

D. up

* Đáp án

D

* Hướng dẫn giải

Đáp án D

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