Відповіді: Стр.61 (D)

D. Join the sentences below using relative pronouns or relative adverbs, adding commas where necessary. Make any other necessary changes.

1. The hotel where we stayed last summer was very nice.

2. Sam, whose father is a famous writer, is one of my best friends.

3. The two books that Tom wrote became best-sellers.

4. My best friend, who works as an editor for a gardening magazine, lives in Lisbon.