He was in orbit around the Earth __________ a speed of more than 17,000 miles per hour.

Câu hỏi :

He was in orbit around the Earth __________ a speed of more than 17,000 miles per hour.

A. at

B. in

C. by

D. on

* Đáp án

A

* Hướng dẫn giải

Chọn A

at a speed of: với tốc độ

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