It is _____ he often fails in exams ________ makes his parents worried about him.
#84737
A
what; that
B
that; what
C
that; that
D
/; that
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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
—Were all the passengers on the bus injured in the accident?—No，______ only the four who got hurt.
#85420
A
there was
B
there were
C
that was
D
it was
— Is it my age ________the boss minds?—I’m afraid so. He will consider ________ necessary to have an experienced assistant.
#85189
A
which；it
B
that；it
C
which；that
D
that；that
I can’t quite remember ________ I was taken to Beijing.
#85088
A
that it was when
B
when it was that
C
when was it that
D
that was it when