问题
The question that puzzled them is ____ they can get rid of the air pollution in the area.
A:how is it that
B:that is how
C:what is that
D:how it is that
B:that is how
C:what is that
D:how it is that
正确答案是：
同类题型
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s the problem, sir— You atleast at a speed of about 100 miles per hour.
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