Ответ:

1) fell down, was going

2) bought

3)was driving, stopped

4)had been typing

5)was snowing, left

6) hadn't call

7) didn't answer, was working

8)got

9)had been waiting

10)got up(там опечатка и должен быть глагол get в скобках а не det) , второй пропуск - made

11)decided

12)saw,was wearing

13)called

14)have, been watching

15)got up, missed