概要：12.7 need/want/require/worth注意：当 need, want, require, worth(形容词)后面接doing也可以表示被动。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。典：done，"不可能已经"。must not do 不可以（用于一般现在时)。
小升初英语语法复习：need/want/require/worth,标签：小升初英语试卷及答案,http://www.kgf8.com12.7 need/want/require/worth
注意：当 need, want, require, worth(形容词)后面接doing也可以表示被动。
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。
典：done，"不可能已经"。must not do 不可以（用于一般现在时)。
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