31. They (prepare) _______________ the Christmas dinner at the moment. 32. George (work) ________________ at the university so far. 33. She (learn) __________________ German for two years. 34. Look! That man (try) ________________ to open the door of your car. 35. Listen! They (learn) _______________ a new song. 36. David (repair) _____________ the TV set at the moment. He (work) _______________ at it for one hour. 37. I ________________ can’t go with you because I (not finish) _________________ my homework yet. 38. John (wash) _______________ his hands now. He just (repair) __________________ the bike. 39. I (work) _______________ at my report since Monday. Now I (write) _______________ the conclusion. 40. The earth (circle) _____________ the sun once every 365 days. 41. How many times ____________ you (see) ____________ him since he went to Edinburgh? 42. Look! The boy (cry) _______________ 43. Mary (lose) ________________ her hat for 2 days. 44. He (not finish) _______________ doing it yet. 45. She (not see) ________________ him since Christmas.
31. are preparing
32. has worked
33. has learnt
34. is trying
35. are learning
36. is repairing/ has worked
37. haven’t finished
38. is washing/ has just repaired
39. have worked/am writing
40. circles
41. have – seen
42. is crying
43. has lost
44. hasn’t finished
45. hasn’t seen
31. are preparing
32. has worked
33. has learnt
34. is trying
35. are learning
36. is repairing – has been working
37. haven’t finished
38. is washing – has just repaired
39. has worked
40. circles
41. have – seen
42. is crying
43. has lost
44. hasn’t finished
45. hasn’t seen