The windows haven’t cleaned for a long time. They need .A. to cleanB. to be cleanedC. clea

发布时间：2020-08-29 23:53:02


The windows haven’t cleaned for a long time. They need     .
A. to clean
B. to be cleaned
C. cleaning
D. B and C

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A. to clean
B. to be cleaned
C. cleaning
(答案→)D. B and C
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