问题
____? —- Maybe the possible solutions to the air pollution.
A:Do you think what they are talking about
B:Do you think what are they talking about
C:What do you think they are talking aobut
D:What do you think are they talking about
B:Do you think what are they talking about
C:What do you think they are talking aobut
D:What do you think are they talking about
正确答案是：
同类题型
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