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I was just about to go to bed last night ______ the telephone rang.
#31260
A
while
B
when
C
as
D
before
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Please remind me of the meeting again tomorrow ________I forget.
#30882
A
though　　　
B
so that
C
in case
D
until
Hard _____ he tried, he failed to catch up with the first runner.
#32786
A
although
B
as
C
while
D
when
We were playing near the lake______ the storm started.
#30638
A
while
B
when
C
until
D
before
Please tell me ______ you are getting on with your new classmates.
#30998
A
whether
B
how
C
what
D
where
—Sir, I feel it complicated to apply to a university abroad.—Why not read our guide? This is  ________ the relevant information is available.
#30336
A
what
B
how
C
where
D
why