My friend asked me _______ I would go to the concert or not.
#56642
A
when
B
that
C
if
D
whether
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   _______   I  know,  he  is  kind.
#55806
A
As soon as
B
As long as
C
As far as
D
As well as
Bob is young, _______ he knows a lot. 
#58536
A
because
B
so
C
but
D
unless
Tom went to work late         the snowstorm.
#56438
A
because
B
for
C
because
D
because of