—_______ John this week?—Yes.—Where _______ him?—In the library.
#104837
A
Did you see; did you see
B
Have you seen; did you see
C
Do you see; have you seen
D
Have you seen; have you seen
推荐题目
Land animals are believed ______ from sea animals.
#103259
A
to have developed
B
to have been developed
C
having developed
D
having been developed
A fire broke out in the neighborhood last night. By the time the firemen arrived, it .
#101011
A
had been put out
B
would put out
C
has been put out
D
was putting out
---You speak very good French!---Thanks. I _____ French in Sichuan University for four years.
#102436
A
tudy
B
tudied
C
as studying
D
ad studied
Edward, you play so well, but I _____ you play the piano.
#102085
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known
He left his hometown in 1990, and great changes _________ ever since.
#99346
A
had taken place
B
took place
C
have been take place
D
have taken place