-Is your mother a doctor in Qilu Clinic? –No!But she        there for ten years.
#100112
A
worked
B
has been working
C
has worked
D
had worked
推荐题目
I have to draw some money from the bank before our money ______.
#102798
A
runs out of
B
is run out
C
runs out
D
runs up
Tony was very unhappy for ______ to the party. 
#101565
A
having not been invited
B
not having invited
C
having not invited
D
not having been invited
 It’s hard for a woman to run after fashion as it _______ so quickly.
#103019
A
has changed
B
has been changing
C
was changed
D
is changed