Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours，but today every hour is rush hour.
#101468
A
is worsening
B
have worsened
C
have been worsening
D
worsened
推荐题目
By the time Jack returned home from England, his son _______ from college.
#100009
A
graduated
B
has graduated
C
had been graduating
D
had graduated
—I ______ for you for two hours, but in vain. Where did you go? —I ______ at my uncle’s.
#103785
A
had looked; may have stayed
B
looked; must have stayed
C
have looked; may be staying
D
looked; must be staying
—I’m losing my eyesight, I’m afraid.—To finish this book, you ______ in front of your computer too long.
#101662
A
work
B
are working
C
have been working
D
worked
The parcel _____ so much that I dropped it on the stair.
#99829
A
weighs
B
is weighed
C
was weighed
D
weighed
When Alice came to, she did not know how long she there.
#101012
A
had been laying
B
has been lying
C
was laying
D
had been lying