The US troops are using much more sophisticated weapons in the Far East.

Câu hỏi :

The US troops are using much more sophisticated weapons in the Far East.

A. expensive

B. complicated

C. simple and easy to use

D. difficult to operate

* Đáp án

C

* Hướng dẫn giải

sophisticated: phức tạp >< simple and easy to use: dễ sử dụng

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