问题补充:
The windows haven’t cleaned for a long time. They need .
A. to clean
B. to be cleaned
C. cleaning
D. B and C
答案:
A. to clean
B. to be cleaned
C. cleaning
(答案→)D. B and C
解析:可联系答.案.网客服索取。
时间:2019-11-10 00:11:33
The windows haven’t cleaned for a long time. They need .
A. to clean
B. to be cleaned
C. cleaning
D. B and C
A. to clean
B. to be cleaned
C. cleaning
(答案→)D. B and C
解析:可联系答.案.网客服索取。