题目内容
— Each of the students, working hard at their lessons, ______the book. — So have I.
A. is reading B. has read C. reading D. reads
B
解析:
此题将主谓一致和时态结合在一起进行考查。上一句的主语为each of the students 是单数,再结合下文的回答so have I,由此,可知上句应该用完成时态。
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