31. He usually (take) ............takes............. a taxi to the airport.
32. They usually (not go) ............doesn't go............. to school by bike.
33.............Are.............they (be) .............be............ beautiful?
34. Manh (not play) ..........isn't playing............... soccer at the moment.
35. Minh (play) ..........is playing...............chess with Nam at the moment.
36. They often (visit) .............visit............ their parents on Saturday.
37...........Is...............she (study) ...........studying.............. now?
38. Mi and I always (go) ..............go........... to the countryside.
39. He (not be) ...........isn't be.............. at home now.
40. Hanh (not read) .............isn't reading............ book at the moment.
41. Our teacher usually (give) ...........gives..............us many exersices.
42. He often (catch) .............catches............ a train to work.
43. The cat (catch) .......catches.................. mouse.
44. They (plant) ...........are planting..............trees overthere at the moment.
45. My old friend, Manh (write) ...........writes.............. to me twice a month.
46. What she says (be) .............will............ true.
47. Where she (buy) .............does/ buy............ her breakfast every morning?
48. Bi often (not phone) ...............doesn't phone.......... to me.
49. Mrs.Green always (take) .........takes.......a bus to work. But now she (drive) .....is driving.......to work.
50. Look! The ball (fall) ..........is falling...............down.