问题补充:
The floor is dirty and it requires .
A. being cleaned
B. clean
C. to clean
D. cleaning
答案:
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。
时间:2023-06-05 07:07:30
The floor is dirty and it requires .
A. being cleaned
B. clean
C. to clean
D. cleaning
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。