—I don't think we have met before，________？—Yes，once at a party，but we weren't introduced.
#64458
A
do I
B
have we
C
don't I
D
haven't you
推荐题目
-_______do you spare time to visit your parents every month?-Twice.
#64702
A
How long
B
How often
C
How soon
D
How fast
--- I don’t think it is good for animals to stay at zoos, ___________? ---- I agree with you.
#64843
A
isn’t it
B
don’t I
C
is it
D
do I
--____ does it take you to get to school?-- About twenty minutes.
#60007
A
How
B
How long
C
How many times
D
How often