None of us knew what had happened _______ they told us about it.
#57135
A
when
B
until
C
after
D
though
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--This computer doesn't work, Sir.--Well, bring it back, ______ we'll return your money.
#55451
A
and
B
so
C
but
D
because
None of them knew what happened __________we told them about it.
#57554
A
since
B
after
C
until
D
while
–Do you offer any discount on the notebooks? –Sorry, sir. There isn’t a discount you pay more than 100 yuan.
#55450
A
although
B
until
C
unless
D
as