—Did you have a good sleep last night? —Yes, never sleep .
——Tom is never late for work. Why is he absent today? —— Something _____to him.
—— Could you tell me his telephone number? —— _____the phone book and find it out yourself.
Don’t all stand up together! ________, please.
______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.
Roads in this mountain area used to be ______; people found it hard to travel here.