He asked me just to sit down and drink some water ____ I could say anything about my travel plan.
#33155
A
while
B
when
C
if
D
before
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I was about to leave _____ the telephone rang.
#31587
A
after
B
while
C
when
D
before
 Don’t lose heart _________ you fail.
#31772
A
until 
B
as if 
C
unless  
D
even though
She wasn’t very polite but ________ I helped her.
#33735
A
any way
B
anyway
C
at any way
D
in a way