Respuesta:
4.
1- I am going to hike on my own
2-She is going to take a painting course
3-He is not going to eat any sweets
4-They are going to take a tour
Explicación:
El be de be going to debe cambiarse por am en el caso de I, is en el caso de he, she, it y por are en el caso de you, we y they
