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when可以与完成时连用吗?1.-I"m reading an interesting book at the moment.-Could you lend it to me when you_____reading it?A.finished B.have finished D.had finished2.when I came into the classroom,the students__________their home work.A.finish

题目详情
when可以与完成时连用吗?
1.-I'm reading an interesting book at the moment.
-Could you lend it to me when you_____reading it?
A.finished B.have finished D.had finished
2.when I came into the classroom,the students__________their home work.
A.finished C.have finished D.had finished
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答案和解析
B&D
可以啊
这是从句,所以要根据主句的时态来确定!