高考网 发表于 2016-7-22 10:31:42

高一英语语法:need doing结构用法








  注意:当 need, want, require, worth(形容词)后面接doing也可以表示被动,相当于to be done。
  Your hair wants cutting. 你的头发该理了。
  The floor requires washing. 地板需要冲洗。
  The book is worth reading. 这本书值得一读。
  典型例题
  The library needs___, but it'll have to wait until Sunday.
  A. cleaning  B. be cleaned  C. clean  D. being cleaned
  答案A. need (实意) +n /to do,need (情态)+ do,当为被动语态时,还可need + doing. 本题考最后一种用法,选A。如有to be clean 则也为正确答案。
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