Question

【题目】In the past, few people knew that the earth_______ around the sun.

A. moved B. had moved

C. moves D. was moving

Answer 1

【答案】C

【解析】句意：在过去，几乎没有人知道地球围绕太阳转。A. moved一般过去时；B. had moved过去完成时；C. moves一般现在时；D. was moving过去进行时。此句是宾语从句，主句是一般过去时，从句如果是客观真理，时态不受主句的影响，要用一般现在时态表示，故答案为C。