He__________his homework at schoo1．
A．doesn’t do    B．don’t does    C．isn’t do
A
考察一般現(xiàn)在時(shí)態(tài)否定句。在有實(shí)意動(dòng)詞動(dòng)詞構(gòu)成的一般現(xiàn)在時(shí)態(tài)中，其否定形式是do/does +not+實(shí)意動(dòng)詞，he為單數(shù)第三人稱，故選A。
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