15 ejercicios combinando pasado simple con continuo?

1 I couldn’t answer you call because I (drive)

2 We were walking in the mountains when we (see) a strange animal.

3 He had an accident while he (play) rugby with his friends.

4 While he (do) his homework, I was reading a magazine.

5 While I was swimming in the river, I (see) some frogs.

6 He (miss) the train because he was talking with some friends

7 I was having dinner, my sister (have) a shower

8 It started to rain while she (water) the flowers in her garden.

9 The exam was very difficult.

I (not finish) it.

10 Just when I (finish) the exam, the light went off.

11 After the lesson, I had some lunch and then I (go) for a walk

12 I (have) some lunch when she went for a walk

13 Tommy's father (work) in that office 2 years

14 Tommy's father (work) in that office when he met his future wife

15 When they (leave) the museum, the sun was shining

16 They (leave) the museum when it started to rain

17 When the postman arrived, my father (have) a shower

18 My father (have) a shower, dressed up quickly, and went to work

19 I (forget) to do my homework last night

20when they arrived the police (wait) and they were arrested

espero haberte ayudado = ) ; ) ¡).