You ______ be polite to the old man.

My grandfather          us stories when I was young.

---Who is the tallest boy?        ---It ______  be John. John is of medium height.

Susan’s parents bought a large house with a swimming pool. It ______be very expensive.

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

You’re too tired. You _______ have a good rest.

— Must I stay here with you?—No, you_____. You may go home, but you ______go to the net bar.

—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.

—Can you tell me what to wear at the party?—If I            you, I            the blue jeans.

There is a “ No smoking “ sign here. You _________ smoke.

Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.

－ Must I clean my rabbit’s hutch every day?－ No, you ____________.

She doesn’t ______ a new dictionary because she bought _____ a week ago.

—Is that man Mr Hu?—That ______ be Mr Hu. Because he has gone to Japan with his wife.

The red bike               be Hu’s. Hers is blue.

What              you do if you won in the lottery?

--- Do you have _________ paper, Millie ? I want to write a letter.--- Sorry, I don’t have          .

You are tired. You _____ go to bed early.

You_______ play with the knife. You ______ hurt yourself.

—I can’t stop smoking, doctor.— For your health, I’m afraid you________.