I was supposed ____ her, but I failed.A．to help B．to have helped C．to be helping_刷题宝

题干

I was supposed ____ her, but I failed.

A．to help

B．to have helped

C．to be helping

D．will help

上一题下一题 0.64难度单项选择更新时间:2013-02-25 04:33:58

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