Look! David is helping his mother _______ the room.A.is cleaningB.cleaning C.cle
题型:不详难度:来源:
Look! David is helping his mother _______ the room.A.is cleaning | B.cleaning | C.cleans | D.clean |
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答案
D |
解析
试题分析:句意:看!戴维正在帮助他的妈妈整理房间。help sb (to)do sth帮助某人做某事,故选D 点评:现在进行时表示动作正在进行,由be + doing构成,be为助动词。初学者最容易漏掉,它应与主语的人称和数保持一致。习惯于look(看),listen(听)等表动作的动词连用。 |
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