XIII. Read the pairs of sentences and answer the question supplying your explanations: 1. The young cardiologist has been investigating the character of heart defects since the beginning of the year. Doctor Sviridov is investigating the character of heart defects. Кто из них начал раньше заниматься
исследованием?
2. My mother has been followed up at the polyclinic since the time she was discharged from the clinic. My father is followed up at the polyclinic to prevent
the recurrence of the disease. За кем из них наблюдение по поводу отдаленных результатов начато раньше?

1. I was at home yesterday.

2. They were in the zoo.

3. We were in the park.

4. He was at school.

5. You were in the garden.

1. Jane wasn't cold.

2. Children weren't friends.

3. Tom’s mother wasn't sad.

1. Was it hot yesterday?

Yes, it was.

2. Was you at school last Friday?

No, I wasn't.

3. Were they in Minsk two days ago?

No, they weren't.

4. Were the dogs in the garden yesterday?

Yes, they were.

5. Was my friend happy today?  (Или Is my friend happy today?  Yes, he is.)

Yes, he was.

Watch - watched

Get - got

Do - did

Skate - skated

Help - helped

Say - said

Count - counted

Put - put

1. I played tennis.

2. She came home at 3 o’clock.

3. He went to the zoo every day.

4. My sister was at school now.

5. The cats played in the garden every morning.

1. She isn't at home now.

Is she at home now?

2. They weren't at school yesterday.

Were they at school yesterday?

3. I didn't write a lot of letters.

Did we write a lot of letters?

4. We didn't clean the flat two days ago.

Did we clean the flat two days ago?

5. He doesn't come to the park every Sunday.

Does he come to the park every Sunday?

1. I am at the zoo.
2. We are from Russia.
3. My sister has got a doll.
4. My brother and I have got a nice dog.
5. The dog likes to play with my toys.
6. My father works at the bakery.
7. Look! Larry is skating.
8. We are writing a test now. 
9. There are two children in the classroom.
10. There is a banana on the table.
11. I`ve got an orange.
12. There is some milk in the bottle.
13. We haven`t got some cheese in the fridge.
14. How much bread do you need?
15. There aren`t many apples in the bag.
16. My little brother has got two teeth
17. Kate has got five mice
18. My birthday is on October.
19. Luly`s toys are in the box.
20. How old are you?