----- 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
．-----Tommy is planning to buy a car.----I know .By next month, he______ enough for a used one.
#101935
A
saves
B
saved
C
will save
D
will have saved
— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I＿＿my guests in my office.
#104424
A
is being met
B
will meet
C
will be meeting
D
will have met
As you can see，the number of cars on our roads________rising these days.
#100314
A
was keeping
B
keep
C
keeps
D
were keeping
John talked with me for about an hour yesterday．Never ________ him talk so much．
#99991
A
did I hear
B
had I heard
C
I had heard
D
I heard
—Look! Somebody ______the blackboard．—Well, it wasn't me．I didn't do it．
#101314
A
is cleaning
B
was cleaning
C
had cleaned
D
has cleaned