--- You may refuse my invitation , but you must explain why .  --- Oh, I must , _____ ?
#65028
A
did I
B
didn’t I
C
must I
D
mustn’t I
推荐题目
There is little doubt in your mind that he is innocent, _______?
#64819
A
is there
B
isn’t there
C
is he
D
isn’t he
---______these things?---They’re 15 yuan.
#60074
A
how many is
B
How many are
C
How much is
D
How much are
-- ________ does it take you to water the flowers?    
#60411
A
How 
B
What time
C
How long
D
How money
---Is there a park near your house ?---No, _________. But there is a school.
#60312
A
it isn’t
B
I’m not
C
it doesn’t
D
there isn’t
It’s the third time that Li Ming has been to Xi’an , _______? 
#64474
A
isn’t he
B
hasn’t he
C
isn’t it
D
hasn’t it