Exercise 5.6. Put the verb to write in the appropriate form:
1. We often... letters to our parents.

2. What... you... now?

3. Yesterday they...... tests from 10 till 12 o'clock.

4. Who...... this letter tomorrow?

5. I...... some letters last week.

6. What... you... tomorrow at 10?

7. When I came in she...... a letter.

8. Do you often... letters to your parents?

9. I... not... this article now. I...... it in some days.

10.... he... his report at the moment?

11. What... she... in the evening yesterday?

12. As a rule he... tests well.