题干

 
22. —I think we have to solve _____ problem of air quality for the Great International Art Festival held in our city next year.
— Yes, and the government is trying to think of _____ way out and there is more than one 
solution

A:a; the

B:a; a

C:the; /

D:the; a

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答案(点此获取答案解析)

D