(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
—Have you finished reading Jane Eyre?—No，I ________my homework all day yesterday.
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A
was doing
B
would do
C
had done
D
do
--- Look!Somebody ___ the sofa.--- Well,it wasn’t me. I didn’t do it.
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A
is cleaning
B
was cleaning
C
has cleaned
D
had cleaned
You may not have played very well today,but at least you’ve got through to the next round and _______.
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A
tomorrow never comes
B
tomorrow is another day
C
never put off till tomorrow
D
there is no tomorrow
I read about you and decided to come and hear you play.I’m very glad I ______the effort.
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A
made
B
have made
C
had made
D
am making
Susan decided not to work on the program at home because she didn’t want her parents to know what she .
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A
has done
B
had done
C
was doing
D
is doing