Дополните следующие предложения в past continuous: 1. when we were playing 2. when i was answering my teacher's

1. When we were playing tennis, mom was cooking dinner.
2. When I was answering my teacher's questions, another pupil asked question

1. When we were playing tennis,he hurt his ankle.
2. When I was answering my teacher's questions,the principal entered the classroom.

1.When we were playing tennis,it started to rain.
2. When I was answering my teacher's questions,the other students were writing the exercise.