The question that puzzled them is ____ they can get rid of the air pollution in the area.
#84871
A
how is it that
B
that is how
C
what is that
D
how it is that
推荐题目
It was ________I went there ________I began to know something about the matter.
#85008
A
until;when
B
until;that
C
not until;that
D
not when;that
 I wonder ______ you were doing last night.
#85416
A
it was what that
B
what was it that
C
that what it was
D
what it was that