Glad to see you back. How long _______ in Russia?
#100486
A
did you stay
B
have you stayed
C
were you staying
D
have you been staying
推荐题目
The girl has a great interest in sport and ____ badminton classes twice a week over the last three years.
#100586
A
took
B
is taking
C
takes
D
has been taking
In the meeting, the professor expressed his thanks for the aid he _________ from his students.
#100096
A
received
B
was received
C
have received
D
had received
I would have come earlier, but I _____ that you were waiting for me.
#102993
A
didn’t know
B
hadn’t known
C
haven’t known
D
wouldn’t have known
Liu Ming is said abroad for one year before he came to teach in our school.
#103093
A
to have studied
B
to study
C
to be studying
D
to have been studying
— Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
#101403
A
had left
B
has been left
C
has left
D
was left
