№1, стр.47.
1.her son is not an enjineer. he is a scientist.
2.my father is not a fireman. he is a driver.
3.his grandmother is not a worker. she is a pensioner.
4.liz and bob are not pupils. they are students.
№1,стр.54.
1.he is a officer.
2.she is a teacher.
3.they are doctors.
4.не is an officer.
5.they are enjineers.