— ______ will you stay in America?— About two months. 
#60044
A
How many
B
How often
C
How long
D
How
推荐题目
_______have you been to Tianjin?---Twice.
#60153
A
How many
B
How many times
C
How
D
How many time
I think they failed to accomplish the task, ______?
#65406
A
do I
B
don't I
C
did they
D
didn't they
---Did you use to be afraid of the dark? --- _________. And I’m still afraid of the dark now.
#59795
A
Yes,I did.
B
No, I didn’t
C
Yes,I didn’t
D
No,I did.
I think that something has to be done to stop the air from being polluted, ______ ?
#64578
A
doesn't it
B
don’t I
C
don't they
D
haven't they