1.My friend asked me who (is playing, was playing) the piano in the sitting room. 2. He said he (will come, would come)

1.My friend asked me who was playing the piano in the sitting room. 2. He said he would come to the station to see me off. 3. I was sure he had posted the letter. 4. I think the weather will be fine next week. I hope it will not change for the worse. 5. I knew that he was a very clever man. 6. I want to know what he has bought for her birthday. 7. I asked my sister to tell me what she had seen at the museum. 8. He said he was staying at the Ritz Hotel. 9. They realized that they had lost their way in the dark. 10. He asked me where I studied. 11. I thought that I should finish my work at that time. 12. He says he worked at school two years ago. 13. Victor said he was very busy.