you bought a new computer last week,___ you?

问题描述:

you bought a new computer last week,___ you?
A.aren't
B.don't
C.didn't
D.haven't
Few well-know singers came to the concert,did they?
A.No,they didn't
B.Yes,they did
C.No,they did
D.Yes,they didn't

C
A