It is only with the help of scientific research _____ bring PM1 air pollution under control.
#84662
A
that we will
B
we will
C
that we do
D
do we
推荐题目
Could it be in the room we had a talk last night you left your keys ?
#85071
A
that; where
B
in which; where
C
where ; that
D
where ; where
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
It is not until we know more about the situation ______ we are able to improve it.
#85181
A
that
B
what
C
when
D
which
________ he made up his mind to take a trip to Europe?
#85093
A
When was it that
B
to That was it when
C
That it was when
D
When it was that
— Is it my age ______the boss minds?—I’m afraid so. He will consider ______ necessary to have an experienced assistant.
#85179
A
which；it
B
that；it
C
which；that
D
that；that