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﹣Hasyourfriendcompletedhisdesign?﹣Notyet.He

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问题详情:

﹣Hasyourfriendcompletedhisdesign?﹣Notyet.He

﹣Has your friend completed his design?

﹣Not yet.He ________ on it last night.

A.worked     B.has worked      C.is working       D.was working

【回答】

D.

知识点:动词时态

题型:选择题

TAGS:Notyet.He