1. Mary, Who is in the mountains now, is our chess champion.
2. Lilian, Whose brother is an engineer, works at the same factory.
3. The dress WHICH / - - -
I was wearing at the PARTY was
very beautiful.
4. I liked very much the BOOK ( WHICH / - - -) she gave me for my birthday.
5. CHISINAU, Which is the capital of our country, becomes more and more beautiful.
6. My NEPHEW, WHO / Whom I haven't seen for years, is a teacher of English now.
7. The children WHO are playing in the park study at our school.
8. The trees WHICH / - - - you see on that HILL were planted by us when we WERE your age.
* 3 4 5 = можно опустить соединительное слово
* не везде запятые нужны
* привет Кишинёву))