Efforts to stop smoking in public areas progress in Hangzhou in recent weeks．A. made B. h

问题补充：

Efforts to stop smoking in public areas progress in Hangzhou in recent weeks．

A. made

B. have been made

C. have been making

D. are making

答案：

A. made

B. have been made

(答案→)C. have been making

D. are making

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