题目内容

It's a good habit ________ breakfast every day.


  1. A.
    had
  2. B.
    have
  3. C.
    has
  4. D.
    to have
D
“It's…to do…”中的it是形式主语,真正的主语是to do sth.。这里需要强调的是,动词不定式在句中做主语时,应用it做形式主语,而把动词不定式放在后面,这样可以使句子避免头重脚轻。就本题而言,由关键词it's即可确定可确定正确答案为D。再如:People everywhere celebrate the New Year. ________ is a time to say goodbye to the past and to think about new beginnings.(2006·山东潍坊)[]A.ThatB.ItC.ThisD.Such(答案为B)
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