PAST SIMPLE OR PAST CONTINUOUS.Use the correct form of the verb in brackets.
1. While he __________(walk) his dog, he _______ (meet) his old friend.
2. Yesterday I_________(get up) at 6 o’clock a.m.
3. We _________( watch) the film when somebody _______(knock) on the door.
4. We ________ (watch) TV while our mum ________ (bake) a cake.
5. He__________( writing) the test at 3 pm yesterday.