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
由答语中的助动词have可确定此空应用现在完成时态。
--- 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
由答语中的助动词have可确定此空应用现在完成时态。