He must have known the truth yesterday, _________?
#64623
A
haven’t you
B
didn’t you
C
have you
D
did you
推荐题目
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
—_______do you go shopping? —Twice a week.
#60063
A
How often
B
How long
C
How many
D
How much