The book ______ I borrowed from the library, ______ is about space exploration, is written by an astronaut ______ has been to the moon.

The woman ______ works in the office next to mine has a son ______ is studying in Canada.

The athlete ______ won the gold medal in the Olympics, ______ had trained for years, became a national hero in his country.

The movie ______ you recommended, ______ I watched yesterday, was even better than I expected.

The phone ______ I bought last week, ______ has an excellent camera, is much better than the one ______ I lost last month.

The scientist ______ discovered this new species of plant, ______ is now being studied by experts, has won several awards.

The school ______ I went to as a child, ______ is now much bigger, is just down the road from my house.

This is the house ______ my grandparents lived, and ______ we used to visit every summer.

The city ______ we are planning to visit during the holidays, ______ is famous for its beautiful beaches, is also known for its delicious food.

The teacher ______ gave us this project said that the best presentations ______ will be selected for a special event at the school.

The project ______ we’re working on, ______ will be presented next week, is one of the most challenging tasks ______ we’ve ever had.

The museum ______ we visited on our trip, ______ had an exhibition on ancient civilizations, was one of the best experiences of the journey.