Question

Put the verbs in brackets into the Past Simple or the Past Continuos
1. My mother ( rarely/leave ) us home alone when we were young.
2. What time ( you/take ) the dog for a walk this morning?
3. Nadia ( water ) the flowers while Nick was cleaninh out the garage
4. We ( not/meet ) Sandra and Ian for coffee yesterday, because we were too busy
5. Mary didn't hear the phone ring because she ( listen ) to music very loudly.

Answer 1

1. rarely left
2. did you take
3. was watering - тут скорее всего два одновременных действия 
4. didn't meet - тут указатель, что действие произошло вчера, значит Past Simple
5. was listening - прерывается действие