---How long have you retired ,Grandpa? ---Well, four years. But you know, I_____ for Courtaulds for over forty years.
#103083
A
have worked
B
worked
C
had worked
D
work
推荐题目
________ repeatedly, the problem still appeared in the beginners’ homework.
#100762
A
Explaining
B
Having explained
C
Having been explained
D
To be explained
At the moment of the car accident, Jason’s life _____ in the blink of an eye.
#100910
A
changes
B
had changed
C
was changing
D
changed