The library needs but it’ll have to wait until Sunday.A. cleaningB. be cleanedC. cleanD.

问题补充：

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

A. cleaning

B. be cleaned

C. clean

D. being cleaned

答案：

(答案→)A. cleaning

B. be cleaned

C. clean

D. being cleaned

解析：考查动名词做宾语：need 后面接动名词做宾语，表示被动含义，相当于need to be done，句意：图书馆需要打扫，但要等到星期天。选A。