(to read) a letter from my uncle, who (to live) in Kiev. 9. Yesterday I (to work) at my English from five till seven. 10. It (to rain) the whole day yesterday. 11. Where your sister (to be) now? — She (to be) in her room. She (to do) her homework. 12. He (to brush) his teeth at the moment. He (to clean) them thoroughly morning and night. 13. Don't disturb her while she (to sleep). 14. You (to talk) nonsense. You never (to talk) sense. 15. My mother (to sit) in the sunlight now and I (to set) the table.

Решение:

1. I am reading a letter from my uncle, who lives in Kiev.
2. Yesterday I worked at my English from five till seven.
3. It rained the whole day yesterday.
4. Where your sister is now? — She is in her room. She is doing her homework.
5. He is brushing his teeth at the moment. He cleans them thoroughly morning and night.
6. Don't disturb her while she is sleeping.
7. You talk nonsense. You never talk sense.
8. My mother is sitting in the sunlight now and I am setting the table.

Ответ: am reading; lives; worked; rained; is; is; is doing; is brushing; cleans; is sleeping; talk; talk; is sitting; am setting.