问题

How clean the room is! —Yes,I am sure that someone _______ it.
A:cleans
B:cleaned
C:has cleaned
D:had cleaned;
B:cleaned
C:has cleaned
D:had cleaned;
正确答案是:
同类题型
d women should be treatedequally according to the law, but _____ there is great room for improvement
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We should try to think up a good way ____ the problem.
Do you have a pencil——_________.
Bring the flowers into a warm room ______ they’ll soon open.