(2014·东北三省三校一联)Traffic conditions in Beijing________for decades.At first people only complained about jams during rush hours，but today every hour is rush hour.
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A
is worsening
B
have worsened
C
have been worsening
D
worsened
推荐题目
Don’t look down upon the ugly little worm. In a few weeks , it ________into a beautiful big butterfly.
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A
transforms
B
would transform
C
have transformed
D
will transform.
I don’t think it is teachers who ________ for giving students too much pressure.
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A
are to blame
B
are going to blame
C
are to be blamed
D
should blame
—What’s that terrible noise? —The neighbors ________ for a party.
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A
have prepared
B
are preparing
C
prepare
D
will prepare
The library needs ________, but it’ll have to wait until Sunday.
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A
cleaning
B
be cleaned
C
clean
D
being cleaned
He can________$ 3,000 a year by writing stories to support a family of three people.
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A
spare
B
afford
C
earn
D
charge