The policeman is helping the old woman __________ a heavy bag on her back.A．inB．_刷题宝

题干

The policeman is helping the old woman __________ a heavy bag on her back.

A．in

B．with

C．at

D．on

上一题下一题 0.65难度单选题更新时间:2012-12-11 10:07:04

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