Ответ:

1. She usually sings only for her friends.

2. Kate always helps her parents. She washes the dishes after meals, vacuums, cleans, dusts the furniture.

3. Steve goes shopping very seldom but today he has bought a new jacket.

4. Where are the students?- They are having dinner at the canteen.

5. My mother plants flowers every summer. This summer she has planted asters.

6. This food tastes good.

7. I am looking at this man but do not recognize him.

8. My aunt is a famous writer. She writes historical books. She has written a book about the life in the 16-th century Scotland.

9. Why are you wearing this funny hat?- I am going to a party tonight.

10. What are you doing these days?- I am working.