It's a good habit ______ a walk after dinner.A

问题描述:

It's a good habit ______ a walk after dinner.A
It's a good habit ______ a walk after dinner.A.to come.B.
to be.C.to work.D.works.

答案:to take
解释:it 作形式主语,后面的不定式结构作真正的主语.take a walk 表示:散步.
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