Откройте скобки и поставьте глагол-в Past Perfect или Past Simple.

1. In summer we (lived) in the country house, but in autumn we (moved) to our plat in the city.

2. When the teacher (came) in the class-room, the students had already (prepared) for the lesson.

3. She (gave) me a letter, after I (had said) my name.

4. They (began) to exhibit his works after he (had finished) the art college.