-- Do you mind my joining your discussion? -- ______ You are so welcomed.
A. Never mind.B. Yes, please.
C. Of course not.D. You’d better not.
--Must we stay i
n the classroom and finish all the homework?
--No, you______. You can take it home.
A. needn’tB. may notC. mustn’tD. can’t
Children are often warned ______ with fire.
A. not to playB. to playC. don’t playD. doesn’t play
By yesterday, the plane ______out of view for more than a month.
A. isB. has beenC. wasD. had been
Have sports training every day, ______you won’t be healthy in the future.
A. becauseB. orC. unlessD. since
I have got two tickets ______ tomorrow’s evening show. Would you like to come with me?
A. inB. byC. fromD. for
