1)
а) Teachers us a lot of new things,in traveling?
б) A lot of new things teacher us at traveling?
в)teachers in traveling us a lot of new things?
г)What a lot things theachers us in traveling?
д)Where were the teachers was traveling?
2)
а)When he was poisoned in the USA?
б)At what time he went to the USA?
в)Why he was sent to the USA?
г)As time on,he was sent to the USA?
д)On which transport he was sent to the USA?
3)
а)What he did on summer holidays?
б)How many days summer holidays were?
в)He liked the summer holidays?
г)With whom we spent his summer holidays?
д)When we finished summer holidays?