I don’t remember when and where I       this umbrella.
#39975
A
bought
B
buy
C
have bought
D
had bought
推荐题目
——Did you go to Jack’s birthday party? ——No, I _________. 
#39542
A
am not invited
B
wasn’t invited
C
haven’t invited
D
didn’t invite
----      your son        a computer?------No.He        one this summer vacation.
#36548
A
Has; bought; will buy
B
Did; buy; bought
C
Does; buy; bought
D
Does; buy; will buy
---How are you going to the park tomorrow?   ---I ________there. 
#40628
A
am by bike
B
ride my bike
C
am riding a bike
D
go on bike