(2013·高考湖南卷)The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them.
#85584
A
are；is
B
are；are
C
is；are
D
is；is
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The teacher as well as the students who_____fond of football,_____ playing together.
#85554
A
are; is
B
are; are
C
is; are
D
is; is
You’d better ____ in bed. It’s bad for your eyes.
#44209
A
read not
B
not reading
C
don’t read
D
not read