高一英语语法：need doing结构用法

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。