--Why are you smoking so much these days?
--Sorry. I just can't help .
A. you B. them C. it D. one
--He promised to come to see you.
--But he . I’ve been all alone.
A. doesn't B. isn't
C. hasn't D. won't
You can be a good teacher unless you become more patient.
A. often B. ever C. always D. never
--What do you want for dinner tonight?
-- We will have whatever you want.
A.It's up to you. B. Help yourself.
C. Never mind. D. You needn't worry.
If the company fails to make enough money, it will have to .
A. take away B. close down
C. break up D. set off
--Did you call Fred back?
--I didn't need to, I'll see him tomorrow.
A. because B. unless C. when D. though
