—It’s important for students to obey traffic rules.—Sure. Teachers always warn us ________ on the road because it’s very dangerous.
The boy found a wallet on the ground and stopped _________.
Jim is unhappy, do you know_____?
Mr. Green told us____ too much time____ reading novels.
My mother was cooking while I____ the radio.
Lucy does her homework very ________. She is ________ than Lily.