23.my room is amess.it needs ______A)to be tidying upB)tidying upC)to tidy upD)tidied up

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23.myroomisamess.itneeds______A)tobetidyingupB)tidyingupC)totidyupD)tidiedup23.myroomisamess.itneeds

23.my room is amess.it needs ______A)to be tidying upB)tidying upC)to tidy upD)tidied up
23.my room is amess.it needs ______
A)to be tidying up
B)tidying up
C)to tidy up
D)tidied up

23.my room is amess.it needs ______A)to be tidying upB)tidying upC)to tidy upD)tidied up
need的短语有need to do sth和need doing sth.当语态为主动语态时,用前者,语态为被动语态时用后者.如题,我的房间很乱,需要收拾一下.是房间需要被收拾,因为房间不能自己收拾自己.所以语态为被动语态.故应该选B

NEED后面用ing的主动式 不定式的被动式

3. 动词need, want, require表示“需要时”,后接 动名词 或 不定式的被动式 表示被动意义。如:
Your room needs cleaning/to be cleaned. 你的房间需要打扫一下。 My house requires repairing/to ...

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3. 动词need, want, require表示“需要时”,后接 动名词 或 不定式的被动式 表示被动意义。如:
Your room needs cleaning/to be cleaned. 你的房间需要打扫一下。 My house requires repairing/to be cleaned. 我的房子需要修理一下。
,所以选B

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