Wow! You have a ticket to the Expo!–lt – by my uncle. He is working in Shanghai.

Let’s go hiking _____ staying at home, shall we?—A good idea. [ ]

Excuse me. Do you happen to have change for a I’ve just used up all my coins.

A lot of children are used to ______ their time ______ up by their parents and they simply don’t know ______ with their spare time themselves.

Don’t you think an elephant is ________ than a tiger ?