The library needs ,but it’ll have to wait until Friday．
A. cleaning
B. to clean
C. being cleaned
D. to being cleaned
网友回答
(答案→)A. cleaning
B. to clean
C. being cleaned
D. to being cleaned
解析：本题考查动词用法。句中考查need doing sth = need to be done。需要（被）做某事。句意：图书馆需要打扫，但它将不得不等到星期五。