Ответ:

Ex. 7

Объяснение:

1. Even though I was ill, I went to school yesterday because we had an important test.

2. I was not available for phone calls last night.

3. I skated and skied with my friends last Sunday.

4. I woke up late, so I did not go jogging yesterday morning.

5. I could not swim but I could climb trees very well two years ago.