1. The woman _____ lives next door is a famous author.

2. This is the restaurant _____ we visited last weekend.

3. I met a student _____ mother works abroad.

4. She is very interested _____ learning foreign languages.

5. He apologised _____ arriving late to the meeting.

6. We are looking forward _____ our summer holiday.

7. They _____ been studying English for three years.

8. She _____ watching television when I called her.

9. You _____ completed the assignment before the deadline.

10. He bought _____ expensive watch yesterday.

11. She is _____ most talented student in the class.

12. We visited _____ United States last year.

13. There is very _____ information available about the incident.

14. Only _____ students passed the difficult examination.

15. We have _____ opportunities to practise speaking English

16. The examination was _____ difficult for some students to complete.

17. She _____ visits her grandparents at weekends.

18. _____, people still follow this traditional sleeping pattern.

19. I wanted to go outside, _____ it was raining heavily.

20. You can either study at home _____ go to the library.

21. _____ he was exhausted, he continued working.