1.You are probably pretty confident.（改为同义句）
You ____ ____ pretty confident.
2.He is visiting No.15 Middle school.（改为同义句）
He is ____ ____ ____ ____ No.15 Middle school.
3.The teacher told the students not to talk.（改为同义句）
The teacher ____ the students ____ talking.
4.He noticed that a river of liquid was coming towards him.（改为同义句）
He noticed a river of liquid ____ ____ ____.