— Be quiet, the head teacher Mr. Gu is coming.
— Don’t worry. It _____ be him. Mr. Gu is much fatter.

— Simon, when are we going to have a class meeting this week?
— Sorry. Ask our monitor, please. He         know.

--Must I finish my homework now?
--No, you _______ You can do it tomorrow.
A. can't                       B. needn't             C. mustn't

You _________ get up so early. It’s weekend today.

I’m very glad I have my own room in my house. I ____ do all I like in it.

–– ________ I come back before 6 o’clock?
–– No, you _______ . But you ______ be back later than 7 o’clock.

--- Shall we meet at the station at 8 a.m.?
--- In fact we _________. The train _________ until 10 a.m..

Generally speaking, there _______ be any survivors(幸存者) after such a long time. However, two young people were found _______. Life is super-nature!

—Whose purple coat is this?
—It ____ be Lily’s. Hers is red. It _____ be Lucy’s. She likes purple.

This toy Mickey Mouse _______be Amy's. She's the only kid at the picnic.