--- Each of the students, working hard at their lessons, the book. --- So have I.A. is r

发布时间：2020-08-15 00:36:17

--- Each of the students, working hard at their lessons,      the book.
--- So have I.
A. is reading
B. has read
C. reading
D. reads

网友回答

A. is reading
(答案→)B. has read
C. reading
D. reads
解析：由答语中的助动词have可确定此空应用现在完成时态。
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