题目内容

It's wrong ________ off plants.

[  ]

A.

to pull leaf

B.

pull leaves

C.

to pull leaves

D.

pulling leaves

答案:C
解析:

  It's wrong to do sth.“做……是错误的”,动词不定式作真正的主语,用it作形式主语。另外leaf(叶子)的复数形式是leaves,故选C。


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