---Eachofthestudents,workinghardattheirlessons,

問題詳情：

--- Each of the students, working hard at their lessons, ______ the book.   

--- So have I.

A. is reading       B. has read           C. reading        D. reads

【回答】

B

知識點：動詞時態與語態

題型：選擇題