The question that puzzled them is ____ they can get rid of the air pollution in the area.
#84907
A
how is it that
B
that how
C
what is it
D
how it is that
推荐题目
Can you tell me________it was________your cellphone was lost? 
#84700
A
where;that
B
which;that
C
that;where
D
where;which
—I’d like a pen which _________ well.—Will this one _________?
#85490
A
writes; do
B
writes; work
C
is written; do
D
is written;work
It is usually thought      a little child says is truth. 
#85322
A
What that
B
that what
C
which
D
that