Relative clauses: Defining and non-defining

1️⃣ The company, ______ headquarters are in London, is expanding rapidly.

2️⃣ The man ______ you spoke to yesterday is my uncle.

3️⃣ This is the place ______ we first met.

4️⃣ My sister, ______ lives in Paris, is coming to visit.

5️⃣ The book ______ cover is torn belongs to me.

6️⃣ The students ______ were late had to wait outside.

7️⃣ The car, ______ was very expensive, broke down after a week.

8️⃣ The reason ______ she left early is still unknown.

9️⃣ The people ______ house was destroyed need help.

1️⃣0️⃣ The painting ______ he bought last year is very valuable.