We were about to leave the classroom _____ it began to rain.
#94729
A
while
B
when
C
as
D
before
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It’s nice _______ me with my lessons.
#94732
A
of you to help
B
for you to help
C
of you helping
D
for you helping
With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.
#92552
A
whether
B
that
C
what
D
which
----Is this the first time you _____Chengdu ?----No. But the first time I _____here, the city wasn't so beautiful.
#92662
A
visited, came
B
visited, have come
C
have visited, have come
D
have visited, came
The candidate was about to get in the car _ suddenly a man with a mask appeared and shot at him.
#92990
A
while
B
after
C
as
D
when
Parents and teachers should help teenagers control their use of computer games ______be controlled by themselves.
#93319
A
other than
B
better then
C
rather than
D
more than