IX. Fill each blank with the present simple, present continuous or past simple form of the verb in brackets. (1m)

41. After school times, Lan usually _____________ (tutor) lower grade students.

42. In order to be healthy, Tom always ___________ (ride) a bike on weekends.

43. Last summer, we _________________ (volunteer) to give food to homeless people.

44. The lesson usually _______­­­­­_____________ (start) at 8 a.m., but today it is late for 15 minutes.

 45. Alex: What are you doing?

      Anna: I _______________ (collect) paper to exchange for plants.

 46. Peter: How many eggs do you need for this cake?

      Lia: We _______________ (need) a lot. Let’s go and get some more.

 47. Sam: ___________ you ___________ (swim) yesterday afternoon?

      Luke: Yes. It was great.

 48. The children _______________ (run) around the garden. They look so happy.

 49. My father ______________ (grow) an apple tree there two months ago.

 50. Mai _________________ (not have) any French books. She thinks she will buy some.