1. I know why they went to London.
2. Ben is looking for the house whose rooms are big.
3. They don't know whose bag it is.
4. Sally doesn't like people who talk too much.
5. Do you know the Russian holiday who people celebrate in May?
6. Pam asks where he lives.
7. Molly can't understand who told you this.
8. Whydoes she hate him?
Объяснение:
in my mind learning foreign languages is very important for every person. that is why because you can speak in another country which native speakers. many people from other countries are much friendlier when you know their language. you will also be your popular in the circle of your friends because it means that you are much clever. you will understand some strangers. when you are in other country you can also understand what people mean. it is survival card but interesting hobby which will help you in the future.
1. why.
2. whose
3. whose
4. who
5. that
6. where
7. who
8. why