Помогите,пожалуйста с английским

1. She was writing a letter at 6 o'clock yesterday.
a) Was writing
2. I read a very interesting book yesterday.
b) read
3. We have been friends for 8 years.
c) have been being
4. It was snowing the whole day yesterday.
a) was snowing
5. The role was new to me. I had never learnt it before.
c) had learnt
6. Where did you go yesterday?
b) did go
7. Where were you going yesterday at 4 pm?
a) Was going
8. Where had you gone yesterday before I came to you?
c) had gone
9. The tornado destroyed 2 million houses of people.
b) destroyed
10. I have been wearing these trainers for 3 years. They are perfect now.
b) has been wearing

1) We went shopping, but the shop was closed.
2) The wind was blowing heavily when I went outside.
3) I have been reading this book since morning. It is very interesting.
4) Jane had cleaned the house before I came.
5) There was nobody in town when the flood began. The emergency workers had warned all the people of the town.