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
I arrived late; I ________ the road to be so icy.
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A
wouldn’t expect   
B
haven’t expected
C
hadn’t expected
D
wasn’t expecting
(2013·高考重庆卷)I felt very tired when I got home,and I________straight  to bed.
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A
go          
B
went
C
had gone
D
have gone