The question that puzzled them is ____ t
题型:选择题
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
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