—How long in America?—Two years. I came back last month.
#101175
A
have you studied
B
do you study
C
would you study
D
did you study
推荐题目
---Don't put the waste on the ground. ---Oh, I'm very sorry. I ________ the dustbin（垃圾箱） there.
#101450
A
don't see
B
isn't seeing
C
didn't see
D
haven't seen
---I’m sure Andrew will win the first prize in the final. ---I think so. He _____ for it months.
#101313
A
is preparing
B
has been preparing
C
was preparing
D
had been preparing
—Have you seen Jack recently?—No. He for another company now.
#102939
A
is working
B
had worked
C
worked
D
was working
—Ken, why do you look so tired? —I _______ myself to the climate since I came here.
#101471
A
didn’t adapt
B
haven’t adapted
C
don’t adapt
D
hadn’t adapted