---I’ll who did it, whether you tell me or not.
The little elephant is afraid to go alone.He always walks _________ his mother.
—Would you like tea or coffee?—_________ is OK.I really don't mind.
Alice in Wonderland is a fantastic movie. It’s about _________.
—Who’s that man under the tree? Is it Mr Black, our new English teacher?—It_______ be. Mr Black has gone to Shanghai for a holiday. A. mustn’t B. can’t C. needn’t
You can only turn left when you see the _______sign.