(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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Huge quantities of information ________available on the internet, but whether the information ________ reliable needs to be further proved.
#85720
A
is, is
B
are, is
C
is, are
D
are, are
--- Have you heard that Jones, along with her parents, to Hainan for the winter vacation?--- Really? No wonder I haven’t seen her these days.
#85653
A
had been
B
have been
C
has gone
D
have gone