—You________ tell Jack the bad news. He is very busy now.
—OK.
A. must B. can C. had better not
You________ let the children play in the street. It’s too dangerous.
A. should B. shouldn’t C. must
—You look happy. Why?
—Oh, I’ve got some very________ news(消息) for you.
A. exciting B. excited C. excite
—Did the children make the model all by________?
—Yes, they did.
A. they B. them C. themselves
—I________ the bike to you when I get home.
—Thank you.
A. will give B. gives C. gave