)4.This desk is broken.It needs _______.A.to mend B.mending C.to be mend D.not mend

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)4.Thisdeskisbroken.Itneeds_______.A.tomendB.mendingC.tobemendD.notmend)4.Thisdeskisbroken.Itneeds__

)4.This desk is broken.It needs _______.A.to mend B.mending C.to be mend D.not mend
)4.This desk is broken.It needs _______.A.to mend B.mending C.to be mend D.not mend

)4.This desk is broken.It needs _______.A.to mend B.mending C.to be mend D.not mend
B.当句子主语是物体(不能像人一样发出某种动作)的时候,need后面需要的动作词要在动词后加ing,这个时候的动词ing形式叫做动名词,表示桌子需要人来修理,而不可以自我修理.也可以说This desk needs to be mended.

B,need的用法之一,加动词ing或者to be done表示被动。
该题中说桌子坏了需要修理,桌子被修理。

答案:B need doing ; doing=to be done ,主动表被动形式