If you know nothing about the famous program called Where are we going, dad?, you ______be living in a box!

You _________ drive so fast, for we have enough time to arrive at the station.

— I’m afraid you ________play basketball here.— I’m sorry I won’t.

Look at the sign! It says: You______ park your cars here.

  ______ I have a quick word with you? Something important has happened.

-May we leave the classroom now?-No, you _______. You _______ to leave until the bell rings.

 Mike, please be quiet, or the other students          hear me clearly.

— ____ you sing the English song?— Yes, I can.

    --- Whose backpack is this?--- It        be Mary’s. She is looking for hers.

—What will the weather be like tomorrow?—It _______ be rainy, cloudy or sunny. Who knows?

 ---Who’s the man over there? Is it Mr. Black?--- It _________ be him. He’s much taller.

–Have you decided where to spend your summer holiday?--Not yet. We _____ go to Hong Kong.

–I’m not good at English, Amy. What should I do?--You      practice it more. For example, you      read English every morning.

 — Excuse me , ______ you take a photo for us?— Sorry, I can’t.

— It’s the office! So you        know eating is not allowed here.— Oh, sorry.

 －Shall we go hiking this Sunday? －Sorry, I _______. I’ll have to take a piano lesson.

 –Dad, _____ we wait until the light becomes green?--Yes, we ______ . That’s the traffic rule.

— Listen! Jane is singing in the next room.— It             be her. She has gone to New York.

---Look at the glasses on the desk. Are they David’s?---They      belong to him. I saw him go out with glasses just now.

—____ I swim here?—I’m sorry. Children ____ swim alone here..