I hate travelling by air__________ you usually have to wait for hours before the plane takes off.
#56398
A
because
B
though
C
until
D
unless
推荐题目
The harder you__________, the better progress you ___________.
#55303
A
will work
B
work; have made
C
work; will make
D
will work; make
-- I’ll give the boys _____ to eat.        
#58550
A
something healthy
B
healthy something
C
anything healthy
D
healthy anything
Don’t get off the bus ________it has stopped.
#55561
A
until
B
if
C
because
D
though