We live day by day，but in the great things the time of days and weeks ____ so small that a day is unimportant.
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A
is
B
are
C
has been
D
havebeen
推荐题目
(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
A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.
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A
is
B
are
C
was
D
were
It is a shock that a great number of students ______ injured in the earthquake and the number of them ______ 2,000 already.
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A
were, have reached
B
were, has reached
C
was, reaches
D
was, have reached