问题标题:
【18.Doesheoften_______hismother______theroom?A.help,cleansB.help,cleanC.helps,cleaningD.helps,clean】
问题描述:
18.Doesheoften_______hismother______theroom?
A.help,cleansB.help,cleanC.helps,cleaningD.helps,clean
吕鸣回答:
B.help,clean
一般疑问句中动词要用原形help,helpsb.dosth.用原形clean
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