1 E C D 47 A. B. 7 B. because 10. The teacher told his students to stop talking A. so that B. in order to 11. Smoking cigarettes is A. harmful 12. Tim must A. to pay 13. I to our health. B. sick for the trip before he sets off. B. pay to her party last night. A. invite 14. Hoi An is a famous tourist A. attracted 15. I wish I A. will have 16. The kitchen is cleaned A. by my sister every Thursday C. by every Thursday my sister 17. Can you give me some advice about what A. to wear B. wear 18. When my A. used to 19. He B. invites father was young, he B. attraction C. attractive a car. I'm tired of catching the bus to work every day. B. had C. had had B. was used to in London at the moment. C. because of they could focus on their study. C. so as to ? C. useful C. paid C. was invited C. wearing get up early to do the gardening. C. got used to D. although D. although D. good D. paying D. invited D. attract D. have B. every Thursday by my sister D. every my sister by Thursday D. to wearing D. use to