问题

What do you mean _____ “bike”?[ ]
A: by
B: of
C: on
D:at
B: of
C: on
D:at
正确答案是:
同类题型
What did the teacher say just now? — Sorry. I didn’t catch it. I ____ something else.
All the students in Class One went to the cinema Li Ping. Why?—Because he had a stomachache.[ ]
_____ the age of the thirty, Lily went to Australia to look for a job. [ ]
Jimmy has made great progress these days.———– ____________, and ___________.