—Where do you think__he__the computer? — Sorry. I have no idea.
#104418
A
has ; bought
B
/; bought
C
did ; buy
D
had ; bought
推荐题目
—The windows are dirty.—I know. They _________ for weeks.
#102514
A
haven’t cleaned
B
didn’t clean
C
weren’t cleaned
D
haven’t been cleaned
—I’m going to the States.—How long ________you________ in the States?
#100071
A
are; stayed
B
are; staying 
C
have; stayed 
D
did; stay