Question

Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous.8. I (to finish) my homework at nine o'clock yesterday. 9. I (to play) the piano at five o'clock yesterday. 10. He (to begin) to do his homework at four o'clock yesterday. 11. She (to wash) the floor at four o'clock yesterday. 12. I (to meet) Nick at three o'clock yesterday. 13. When I (to come) home, Kate (to play) the piano. 14. When I (to meet) John, he (to go) to the railway station. 15. When I (to go) to the museum, I (to see) a big crowd of people in the street. 18. They (to play) in the yard in the evening yesterday. 17. They (to play) in the yard the whole evening yesterday. 18. I (to clean) my teeth at eight o'clock in the morning.

Answer 1

I was finishing my homework at nine o'clock yesterday. 9. I  played the
piano at five o'clock yesterday. 10. He  begun to do his homework 
at four o'clock yesterday. 11. She was washing the floor at four o'clock 
yesterday. 12. I  met Nick at three o'clock yesterday. 13. When I 
was coming home, Kate was playing the piano. 14. When I met John, he 
was going to the railway station. 15. When I was going to the museum, I saw 
 a big crowd of people in the street. 18. They  played in the yard
in the evening yesterday. 17. They were playing in the yard the whole 
evening yesterday. 18. I  cleaned my teeth at eight o'clock in the 
morning.

Answer 2

8. I finished my homework at nine o'clock yesterday. 9. I was playing the piano at five o'clock yesterday. 10. He began to do his homework at four o'clock yesterday. 11. She was washing the floor at four o'clock yesterday. 12. I met Nick at three o'clock yesterday. 13. When I came home, Kate was playing the piano. 14. When I met John, he went to the railway station. 15. When I went to the museum, I saw a big crowd of people in the street. 16. They were playing in the yard in the evening yesterday. 17. They played in the yard the whole evening yesterday. 18. I cleaned my teeth at eight o'clock in the morning.

In these sentences, we are using verbs in the past simple and past continuous tenses to describe actions that happened in the past. The past simple tense is used to talk about completed actions, while the past continuous tense is used to talk about ongoing actions in the past.