问题

Why Tom,your skirt is so dirty!—Mum, I my storeroom downstairs.
A:cleaned
B:have cleaned
C:was cleaning Dhave been cleaning
D:have been cleaning
B:have cleaned
C:was cleaning Dhave been cleaning
D:have been cleaning
正确答案是:
同类题型
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ather have some wine, if you don’t mind-__Don’t forget that you’11drive
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