A big earthquake broke out in China on May 12 over 70 000people．A. to killB. killing

问题补充：

A big earthquake broke out in China on May 12，, over 70，000

people．

A. to kill

B. killing

C. killed

D. kills

答案：

A. to kill

(答案→)B. killing

C. killed

D. kills

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