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
It was only after World War II had drawn to a close ______ in the United States.
#85123
A
did the baby boom begin
B
that the baby boom began
C
when the baby boom began
D
then the baby boom began
I’ve already forgotten    you bought the dictionary.
#84731
A
that it was when
B
that was it when
C
when was it that
D
when it was that
It’s important __________ us students _______ carefully in class.
#47016
A
for; listening
B
of; listen
C
for; to listen
D
of; to listen