Wehaveworkedforthree的知识精选

Wehaveworkedforthreehours.Nowlet’sstop
问题详情:Wehaveworkedforthreehours.Nowlet’sstop_______arest.A.had     B.have      C.tohave      D.having【回答】C知识点:非谓语动词题型:选择题...
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