We need some more facts and figures __________ we take the final decision.
#31598
A
since
B
before
C
after
D
until
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— Don’t you believe me?— ________, I’ll believe ________ you say. 
#30210
A
No; whatever
B
Yes; whatever
C
No; no matter what
D
Yes; no matter what
You mustn’t drive _____ you have drunk.
#31337
A
although
B
if
C
before
D
unless