We were going out for a Christmas meal together ____ the accident happened.
#31697
A
unless
B
until
C
while
D
when
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It hasn't been made clear ________ the new underground line is to be open to traffic.
#30335
A
when
B
that
C
what
D
where
(2013·山东青岛2月质检)________ you need something, please don't hesitate to let me know.
#30549
A
Even though
B
In case
C
As though
D
Even if
The research also raises the question ________ children from low-income, less educated families need earlier aid.
#30377
A
what
B
that
C
when
D
whether
My friend told me it would be months _________ his family settled down in that city.
#32616
A
after
B
since
C
before
D
when