-Is that your best friend Kitty?
- No, it _________ be her. She flew to Singapore yesterday.
| A．mustn’t | B．may not |
| C．needn’t | D．can’t |
________give him a ticket to a ball game?
A.Why not you
B.Why don’t you
C. Why not to
Mary said she to school the next Sunday.
A.won’t go B.isn’t go C.wouldn’t go
My father will be back from Nanjing ___ a week.
A.in B. after C. behind
I want to be _____ actor in the future.
A.a B. an C. The
Email is very popular today. People ______write letters to each other now.
| A．often | B．usually |
| C．seldom | D．never |