--What is that on the table? --Oh, a set of ___________ on the table.
#43644
A
key is
B
keys are
C
keys is
D
key are
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(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
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
#86319
A
becomes
B
became
C
has become
D
had become
Faced with a bill for $10,000, _____.
#86001
A
Smith has taken an extra job
B
the boss has given Smith an extra job
C
an extra job has been taken
D
an extra job has been given to Smith
He was very angry and I can still remember the way _____ he spoke to me.
#86232
A
how
B
that
C
what
D
which