—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
－Have you moved into the new house?－Not yet. The rooms .
#102689
A
are painted
B
are painting
C
are being painted
D
are being painting
—Why do you look so worried? —My Macbook Pro broke down and my paper _____unfinished since.
#101868
A
was left
B
has left
C
left
D
has been left
—What were you doing when she dropped in? —I for a while and_________ some reading.
#104243
A
was playing; was going to do
B
played; did
C
had played; was going to do
D
had played; did
An average of 130000 Chinese _________ abroad for studies every year over the past few years, boosting exchanges in the educational fields
#101609
A
was going
B
have been going
C
has been going
D
are going
When I approached to the subway entrance, an explosion occurred. This ___my first experience, I got into panic
#102823
A
was
B
is
C
being
D
been