Ответ:

1.My father is not a teacher, he is a scientist.

2.Are your aunt a doctor?.-Yes, she is.

3.Are they at home?-No, they are not at home, they are at work.

4.My brother is a worker.He is at work.

5.What are your favourite sudjects at shool?

6.Our friends Hans and Dietrich are Germans.

7.How tall is Mary?

8.Mother is ready to tell us the truth.