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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Martin and his friends didn’t eat up all the food they ordered, __ they took the rest away.
#57634
A
for
B
or
C
so
D
as
____she is tired, _______ Han Mei doesn’t stop working.
#55959
A
Although,but
B
/ ,/
C
But,although
D
Although,/
I hate travelling by air_______ you usually have to wait for hours before the plane takes off.
#55620
A
because
B
though
C
until
D
Unless