一、单项选择。
（ ）1.The child looked sad. Let’s cheer him up.
A. happy B. make him happier C. shouted D. give a help
（ ）2.We’re going to set up a project to help hungry people.
A. start B. give up C. get up D. turn up
（ ）3.They need to come up with some ideas.
A. think about B. have C. think up D. think over
