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
 --Have the police found the parents of the baby found by the road? ---Not yet. His identity ______. 
#102907
A
would be found out
B
has been found out
C
is being found out
D
had been found out
By the end of this year, 160 new students ___ in the English Department of this world famous university.
#102497
A
have enroll
B
will have enrolled
C
have been enrolled
D
will have been enrolled
-----Would you please repeat it?-----Obviously, you _____me.
#100983
A
hadn’t listened to
B
were not listening to
C
haven’t listened to
D
don’t listen to