题目内容
Since we ________ our homework now. Let’s have a rest.
A.do | B.are doing | C.will do | D.have done |
D
since 为陈述原因,而根据后文的内容Let’s have a rest.可知事情已经做了,故用现在完成时,故选D
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A.do | B.are doing | C.will do | D.have done |