Tom was about to close the window ___ his attention was caught by a bird.
#92992
A
when
B
if
C
and
D
till
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It’s quite a time _____ Liu Xiang was injured in the foot, but we are sure it won’t be long _____ he returns to the track.
#93864
A
after; when
B
before; since
C
that; when
D
since; before
I have made ______ clear _______ I have nothing to do with the accident.
#92336
A
it; what
B
that; that
C
it; that
D
this; that
_________ happened to be no one in the building when the fire broke out.
#94807
A
It
B
There
C
This
D
That
．—________the population of Shandong Province?—I can't say exactly, but I know it ________ about 80 million.
#91861
A
What's; has large population
B
How much is; has the population of
C
How many is; has a large population
D
What's; has a population of