the sitting-room needs( ),but it'll have to wait until saturday

the sitting-room needs( ),but it'll have to wait until saturday
A be cleaning
B be cleaned
C clean
D cleaning
说明下原因啊、、、
英语人气:554 ℃时间:2020-03-27 06:26:18
优质解答
D cleaning
need 或want +doing ,是用主动形式表示被动 = need to be cleaned
而need to do 表示主动意思
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