My friend’s flight had taken off _________ I got to the airport to see him off.
#56042
A
while
B
after
C
before
D
until
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My sister is only five, but she always tells me ____ my pictures are good or not.
#58117
A
if
B
whether
C
that
D
how
Before the show I practiced a lot _________ I could do well at the show.
#57803
A
so that
B
that
C
Because
D
in order to
You should keep working hard ____ you have passed the exam.
#56116
A
since
B
because
C
so
D
even though