(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.
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A
are;is
B
are;are
C
is;are
D
is;is
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The worker and poet _____ to the party the other day.
#86195
A
is invited
B
was invited
C
had invited
D
invited
The sheets for your bed____  washing.
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A
needs
B
areneeding
C
want
D
arewanting