II. Give the correct form of the verbs to complete the sentences.

21. My cousin (be) __________ in America two years ago.

22. Tomorrow we (cycle) __________around to discover the city.

23. At the moment I (stay) __________at a very nice hotel in the south of France.

24. When I was younger, we (not do) __________much sport at school.

25. Mrs. Kelly is my English teacher. She (teach) __________ in this school four years ago.

26. Last year I (go)_________ on a school trip to Scotland. We (have)_________ a very interesting time.

27. Could you meet me at the bus station? My bus (arrive) __________ at six.

28. We (not have) __________a music class last week.

29. My family (move) __________ to Canada in 2010.

30. Jenny (go) __________ to the dentist yesterday?

III. Supply the correct forms of the given words to complete the sentences.

31. This project aims to make our water __________ to use.                                                 (SAFETY)

32. The supermarket says that their customers always __________ these shopping bags.    (USE)

33. Surprisingly, farms use the lowest __________ of water in our country.                        (PERCENT)

34. The government has made various __________ to schools and hospitals.                       (IMPROVE)

35. Air pollution is just one of the __________ problems we are facing.                  (ENVIRONMENT)