Exercise 1: Fill in each blank with who, which or that. (nếu chỗ nào điền đc 2 từ thì điền hêt nhé: Ex: ….. which (that)…..) 1. A clock is an instrument______tells you the time. 2. A fridge is a machine______is used for keeping food fresh. 3. April 1st is the day______is called April Fool’s Day in the West. 4. A nurse is a person______ looks after patients. 5. A teacher is a person______ gives lessons to students. 6. A blind person is the one______cannot see anything. 7. The man______ you visited last month is a famous scientist. 8. Please think of a word______comes from a foreign language into Vietnamese. 9. These are the pictures______ my son drew when he was young. 10. Can you help me find the man______saved the girl? 11. This is the station ………………. Emily met James. 12. July and August are the months ………………. most people go on holiday. 13. Do you know the reason ………………. so many people in the world learn English? 14. This is the church in ………………. Sue and Peter got married. 15. Edinburgh is the town ………………. Alexander Graham Bell was born. 16. 25 December is the day on ………………. children in Great Britain get their Christmas presents. 17. Yoko told me about students ………..have taken the entrance exam 13 times. a. who b. whom c. which d. that 18. Fin is looking for an electric can opener......................also can sharpen knives. a. who b. which c. that d. θ