----- Have you ever visited the 2010 Shanghai World Expo? -----Yes.When I was in China , I ______ it twice.
#103152
A
have visited
B
visited
C
had visited
D
would visit
推荐题目
Mark Twain _____ along the Mississippi River, which was _____ to his writing.
#99593
A
was grown up / benefit
B
brought up / benefit
C
grew up / of beneficial
D
was brought up / beneficial
The boy as well as the two dogs _____ when the earthquake rocked the city. 
#99341
A
were sleeping
B
is sleeping
C
was sleeping
D
are asleep
 “Do you know that Jack ______ a postman for about six years?” “Yes, I see.”
#104387
A
has become
B
has turned
C
has changed
D
has been
 He left his hometown in 1990, and great changes _________ ever since. 
#99346
A
had taken place
B
took place
C
have been take place
D
have taken place
---When ______ and visit our exhibition next month ?-- -When _______ , I will let you know . 
#104621
A
will he come ; he will come
B
will he come ; he comes
C
does he come ; he will come
D
does he come ; he comes