Помогите,пожалуйста выбрать правильную форму
1) I (am going/go) to the circus tomorrow.
2) (Does the film begin/Is the film beginning) at 4 o'clock?
3) It (is going to be/is) Sunday tomorrow.
4)The show (is going to start/starts) at 7.
5)My brother (is going to become/becomes) an engineer.
6)This museum (is opening/opens) early in the morning.
7)The children (are watching/watch) a new film tomorrow .