Question

【题目】The teacher said light ____ faster than sound.

A. travelledB. has travelledC. travelsD. had travelled

Answer 1

【答案】C

【解析】

句意：老师说过光速比声速快。

考查时态。A. travelled一般过去时；B. has travelled现在完成时；C. travels一般现在时；D. had travelled过去完成时。根据常识，可知光速比声速快是真理，真理永远用一般现在时，故选C。