用适当形式填词 I think the machine needs _______(repair)
书本答案是repairing,不是need + to do
to repair正确吗?
人气：272 ℃ 时间：2020-04-08 11:22:46
解答
repairingneed to do 需要做某事 need doing 是需要被做有被动的意思 如;I need to wash my clothes.My clothes need washing.need doing = need to be done I need to mend my bike.My bike needs mending...
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