Question

【题目】They _______ in the library yesterday.

A. studies B. studied C. will study D. studying

Answer 1

【答案】B

【解析】

句意：他们昨天在图书馆学习了。A. studies动词三单形式；B. studied动词过去式；C. will study一般将来时；D. studying现在分词。根据时间状语yesterday判断，句子的时态为一般过去时，故答案为B。