问题
选择题
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
答案：C
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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：C