--- Don’t ________, my children. Keep working hard and you will win the match. --- Thank you, Mr. Zhang. We’ll try our best.

—Don’t litter the ground, boy. Look at the sign, “Rubbish must be thrown into the dustbin.”—Sorry, I’ll __________ right now. 

Let’s         some ice-cream.

Please move these books away. They_______ too much room. 

---May I speak to Mr. Smith? ---Sorry, he           . Can I take a message?