问题描述:
we ___ be friendly to our classmates.A.may B.should C.needn't D.mustn't
we _____ follow others .we should do all by ourselves A.don't need B.haven't to C.needn't D.mustn't
how easy it is ____ after a dog A.looking B.look C.to look D.looks
选什么?为什么?
第2题的D是needn't to
we _____ follow others .we should do all by ourselves A.don't need B.haven't to C.needn't D.mustn't
how easy it is ____ after a dog A.looking B.look C.to look D.looks
选什么?为什么?
第2题的D是needn't to
问题解答:
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