My Answer to Question 1: He should say to the teacher that he saw the answers to the test.
My Answer to Question 2: She could brade her hair to make her look good.
My Answer to Question 3: She could join a school for movie stars.
My Answer to Question 4: He could go to a gym and exercise a lot and eat healthy foods.
My Answer to Question 5: I think you should try taking Japanese classes and read Japanese books.