The government tried they could the people in YushuA. all; helpB. what; to helpC. that;

问题补充：

The government tried they could the people in Yushu

A. all; help

B. what; to help

C. that; help

D. that; to help

答案：

A. all; help

(答案→)B. what; to help

C. that; help

D. that; to help

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