根据要求改写句子。
1. Don't be angry with your son. I think he can do better next time.（改为同义句）
Don't ____ ____ ____ your son. I think he can do better next time.
2. "Light travels faster than sound," our teacher told us.（转换为间接引语）
Our teacher told us light ____ ____ than sound.
3. "I'm going on a trip," Jim told his friends.（转换为间接引语）
Jim told his friends ____ ____ going on a trip.
4. "You are like big brothers or sisters to them." They said to us.（转换为间接引语）
They said to us ____ ____ like big brothers or sisters to them.