ГДЗ граматика Англійська мова 7 клас Мітчелл

Join the sentences using who, which, that or where, adding commas where necessary. Make any other necessary changes. 

1. I have just finished reading a book which/that was about ancient Egypt. 2. The restaurant, where my brother used to work, is famous for its delicious tomato soup. 3. Susan is a professional scuba diver, who has explored lots of underground caves around the world. / Susan, who has explored lots of underground caves around the world, is a professional scuba diver. 4. Ben was talking to his friend Betty, who is a businesswoman. 5. There was a lot of rain yesterday which caused a lot of accidents on the road. 6. James is a talented writer, who has won lots of writing competitions. / James, who has won lots of writing competitions, is a talented writer.