China became the third country in the world to be able to independently carry __________ manned space flights.

Câu hỏi :

China became the third country in the world to be able to independently carry __________ manned space flights.

A. by

B. up

C. on

D. out

* Đáp án

D

* Hướng dẫn giải

Chọn D

carry out: tiến hành, thực hiện

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