помогите пожалуйста ответить на вопросы:1)what should you do to get to school? 2)what must we do when the trffic lights turn red? 3)whan can a child walk? 4)whoo must watch the house?

1) you should go to school by feet or by bus 2)we must wait when the traffic lights are red 3)child can't walk himself, he must go with parents 4)Security guard must watch the house