He was helped ______ the floor.A、to sweepingB、sweepC、to sweepCbe helped to do

游客2025-06-30  0

问题 He was helped ______ the floor.

选项 A、to sweeping
B、sweep
C、to sweep

答案 C

解析 be helped to do sth.是help sb. (to) do sth. 的被动形式。动词help 后作宾语补足语的不定式可不带to,但在被动句中不定式作主语补足语时,不能省略to。类似的如:be made to do,be seen to do等。
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