-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
---The window must have taken you quite a lot of time that day. --- You are right. They ________ for weeks.
#102507
A
haven’t been cleaned
B
hadn’t been cleaned
C
didn’t’ clean
D
haven’t cleaned
The dish _____ nice, but the milk _____ sour.
#103726
A
is smelt, is smelt
B
is smelt, smells
C
smells, is smelt
D
smells, smells