—President Obama has never been to Beijing, ______ he? — He visited the Great Wall on the afternoon of November 18th,2011.
#69032
A
hasn’t, No
B
has, Yes
C
hasn’t, Yes
D
has, No
推荐题目
Betty had nothing to do last Sunday afternoon, ____________? 
#68816
A
hadn't she
B
had she
C
didn't she
D
did she
─             did they go to work last week ?     ─Once .
#70504
A
How many times
B
How often
C
How soon
D
How long