—The frequent terrible coal mine accidents killed more than 1000 people in China last year

问题补充：

—The frequent terrible coal mine accidents killed more than 1000 people in China last year .

—.

A. Quite OK

B. Certainly

C. That’s the case

D. I agree

答案：

A. Quite OK

B. Certainly

(答案→)C. That’s the case

D. I agree

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