问题
选择题
A clean environment can help the city bid for the Olympics, which will promote its economic development.
A．in nature
B．in return
C．in turn
D．in fact
答案
答案：B
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A clean environment can help the city bid for the Olympics, which will promote its economic development.
A．in nature
B．in return
C．in turn
D．in fact
答案：B