He is tall, _____ his son is short.
#57153
A
when
B
or
C
while
D
and
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Beckham stopped playing soccer ______ his bad leg. 
#58493
A
as for
B
because
C
because of
D
as
 My friend has the same haircut _______I do.
#55623
A
as
B
like
C
seem
D
looks like
They will lose the game    they try their best,
#58277
A
unless
B
once
C
since
D
after