She is a well­known doctor now, but she ________ as a cleaner at the hospital for five years.
#105075
A
has worked
B
worked
C
had worked
D
works
推荐题目
---Have you ________?---No. I had the wrong number. 
#105109
A
got in
B
got away
C
got off
D
got through
 ---This is the seat for the disabled.--- Oh, sorry. I ____________ that.
#105103
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realized