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

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.

C、to work
在句中真正的主语是to work after dinner ,It只是替代不定式作主语,work a walk 是固定搭配,译为:工作步行

C
It‘s a good habit to do sth.....

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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C