The floor is dirty and it requires .A. being cleanedB. cleanC. to cleanD. cleaning

发布时间：2020-08-16 18:28:15

The floor is dirty and it requires     .
A. being cleaned
B. clean
C. to clean
D. cleaning

网友回答

A. being cleaned
B. clean
C. to clean
(答案→)D. cleaning
解析： 句意：地板很脏，需要打扫。需要做某事，用require doing或require to be done,所以选D。
以上问题属网友观点，不代表本站立场，仅供参考！