—Have you known Dr. Jackson for a long time?—Yes，since she ________ the Chinese Society.
#99164
A
has joined
B
joins
C
had joined
D
joined
推荐题目
---Hurry, John!---Oh, damn! Both my legs are nearly to give out. I ____for hours.
#101892
A
had walked
B
walked
C
have been walking
D
am walking
Every year a flood of farmers arrive in Shenzhen for the moneymaking jobs they ________ before leaving their hometowns.
#99404
A
promised
B
were promised
C
have promised
D
have been promised
---Allen, are you coming with us? ---I’d love to, but something unexpected ____.
#101426
A
has come up
B
was coming up
C
had come up
D
would come up
I arrived late; I _____ the road to be so iey.
#104993
A
wouldn’t expect
B
haven’t expected
C
hadn’t expected
D
wasn’t expecting
—Will you please repeat your idea?—Certainly. But I think it convinced you ________ your attention.
#101250
A
didn’t pay
B
aren’t paying
C
don’t pay
D
weren’t paying