Exercise 5 page 74 & Exercise 11 page 79

Exercise 5 page 74

15. welcome sir, you could sit down

16. sorry, may i know what time is it now?

17. can you help me? I’m lost here. Would you help me to find the bus station?

18. hello, may i know what time flight 62 will arrive?

19. excuse me, may i know for this price?

20. sorry, would you give information about location of the library?

Exercise 11 page 79

7. A: i have a problem with my student visa

    B: you should to change it immediately.

8. you ought to move to another room.

9. you should take more exercise.

10. you had better wash your face.

11. you had better return that book soon.