When you pick _________a book for the first time, check that it is not too difficult.

Câu hỏi :

When you pick _________a book for the first time, check that it is not too difficult.

A. in

B. since

C. on

D. up

* Đáp án

D

* Hướng dẫn giải

Chọn D

pick up: nhặt được

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