The library needs ,but it’ll have to wait until Sunday. A. cleaning B. be cleane

The library needs ______,but it’ll have to wait until Sunday.

          A. cleaning      B. be cleaned     C. clean    D. being cleaned

试题答案

A

解析:

在“be worth”结构中，只能用动名词的主动形式表被动意义。在be worthy后可不定式的被动式或of+动名词的被动式。动词want,need和require表示“需要”时，可用动名词的主动形式表示被动意义，也可用不定式的被动形式。