--- __salt did you put in the soup?
--- None. I forgot.
A. How much B. How many C. How long
I had a good time my stay in Chengdu this summer vacation.
A. on B. during C. in
Wea party to welcome the new students next Friday evening.
A. have B. had C. will have
--- Why do youtennis for exercise?
--- To keep healthy.
A. take up B. grow up C. stay up
In our school, _students ride their bicycles to school every day.
A. three hundreds B. hundred of C. hundreds of