Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours,but today every hour is rush hour.
#101332
A
is worsening
B
have worsened
C
worsened
D
have been worsening
推荐题目
It is demanded that you ____ at six. 
#102746
A
will arrive
B
arrive
C
arrived
D
would arrive
— Why? Tom, your shirt is so dirty! — Mum, I __ my storeroom downstairs。
#104430
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning
—Why do you want to work for our company?—This is the job that I ______for.
#102407
A
looked
B
am to look
C
had looked
D
have been looking