--- Look, Mr Green is on the other side of the street. --- It _____ be him.He has gone to London on business.

— Must we finish all the exercises today? — No, you ________.You can finish them within two days.

Today is Wednesday. He _____ be at home. He _____ be at school.

This pair of shoes ______ Li Gang’s ,It’s too big for him .

He would rather _______ at home than ______ to the park with Jenny.

Lucy doesn’t mind _______ the dishes after dinner.

 You’d better ____ football in the street.

Would you mind ____ here?  Sorry, I won’t. 

—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting． 

—Must I make a phone call to him now?  —No, you________. You ______ write an email.

----May I listen to the music here, Mr White? ----Sorry , you’d better ____ it like that..

We _______ work very quickly.

Alice    be at school because she phoned me from her home a minute ago.

These broken pieces of plates don’t fit together, they ___________ parts of different ones.

You ______to meeting this afternoon if you have something important to do.

Eddie _________ sleeping __________ going out.

---The man in a black suit _______ be our youth worker.---It _______ be him. I saw him in the classroom building some minutes ago.

—Must I finish my homework right now? -- No, you ___, you ___finish it tomorrow morning.

 -- Is it your brother playing football outside? -- It ________ be him. He is helping mother with dishes now.

—Have you decided when to leave for Australia?—Not yet. We _________ set off at the end of this month.