问题
选择题
— Each of the students, working hard at their lessons, ________ the book.
— So 
have I. [ ]
A. is reading
B. has read
C. reading
D. reads
答案
答案：B
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— Each of the students, working hard at their lessons, ________ the book.
— So have I. [ ]
A. is reading
B. has read
C. reading
D. reads
答案：B