Your Chinese teacher is very serious about the work ,isn't he/she?
You were very tired after the visit yesterday,weren't you?
They finally let you in,did they?
Comrade wang always repair bicycles for others,does he?
He showed me the world map and asked lots of questions.
Who are you waiting for?I'm waiting for Mr lee.
Are you free the day after tomorrow?Sorry,I have a football match that day.