Task 2. Put the verbs into the correct tense:
15. Mr.Quang (teach)...............Maths in this school since he (graduate)..............in 1985
16. When I (leave)............... Home last night, I (be) ................ very tired.
17. ...................... your teacher (teach) ................ English well?
18. Daniel (earn) ............................ some money last week. I'm afraid he (spend) ...........it already.
19. This is the most delicious cake I (try) .................in my life.
20. My father (go) .........................on business two days ago.
21. He (take) ................... many photos when he arrived in Kenya.
22. Jack is interested in (open) ................. a bar
23. Miss Helen (visit) ........................... Ha Long Bay since last week.
24. We(be) ........................... students in four years'time