Someone knocked at the door he was doing his homework.
#55271
A
after
B
when
C
until
D
as soon as
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—It’s too late. I have to go now. —Oh, it’s raining outside. Don’t leave it stops.
#55680
A
while
B
if
C
until
D
after
—Can you help me with my business?— I’d like to, I have a meeting to attend.
#57527
A
because
B
or
C
but
D
and
