1.they (meet) while they (study) at university 2. i (not listen) when the teacher (explain) the problem 3.we (see) sue when we (play) in the park 4.when i (get up) this morning it (not rain) 5.what (you/do) when i (phone)? 6.what (you/ do) last weekend? 7.i (not go) to school yesterday because i (be) sick

1. They (met) while they (were studying) at university.
2. I (did not listen) when the teacher (was explaining) the problem.
3. We (saw) Sue when we (were playing) in the park.
4. When I (got up) this morning it (was not raining).
5. What (were you doing) when I (phoned)?
6. What (did you do) last weekend?
7. I (did not go) to school yesterday because I (was) sick.