—Have you ever visited the Water Cube? —Yes. When I served as a volunteer in Beijing, I it twice.
#102056
A
have visited
B
visited
C
had visited
D
had been visiting
推荐题目
(2013·南昌10所省重点中学二模)Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
#99599
A
has served
B
had served
C
is serving
D
served
Food will include buffalo that________________ over an open fire .
#103303
A
roasts
B
is roasting
C
will be roasted
D
had been roasted
It is the first time I ______ this kind of music.
#100782
A
heard
B
am hearing
C
have heard
D
had heard
Profits in his company went up by 25% last year,and _____ so far this year though the financial situation is bad.
#104019
A
haven’t decreased
B
didn’t decrease
C
haven’t been decreased
D
weren’t decreased
—We want to sit at the table near the window.—I’m sorry，but it________ already.
#101960
A
has taken
B
took
C
was taken
D
has been taken