@Bơ
41. Mary (burn) burned her hand yesterday when she (cook) cooking the dinner.
42. While we (cross) crossing the street, the policeman (shout) shout at us last week.
43. What did you (do) do at this time yesterday ?
44. He (already / go) had already gone before I (come) came there.
45. It was the first time I (ever / see)had ever seen such a beautiful.
.46. What did you (do) do yesterday ?
47. The light (go)went out while we (have) were having dinner.
48. He (win) won the gold medal in 2004.
49. I hope it (not rain)doesn't rain when we (start)start early tomorrow.
50. We (wait) wait right here until you (get) get back.
51. What (happen) happened to you yesterday ?
52. Galileo proved that the Earth (move) moves around the sun.
53. I (be) was in the countryside with my grandfather some weeks ago. One night I(walk) walking along the country road when I suddenly (hear)heard footstepsbehind me. Somebody (follow)followed me. Then I (start) started to run.
54. He (buy)has bought a new car recently.
55. The soccer fans (crowd) have crowded into the stadium since we (arrive) arrived 10minutes ago.
56. They (play) played tennis at 10:30 yesterday morning.
57. Did you (see) meet Nam yesterday ?
– Oh, no I (not see) haven't seen him for along time.
58. I (just / receive) just received Nga’s letter.
59. Mary (come) came back a moment ago. Now she (sit) sits on the sofa in theliving room and (watch) watches TV. She (look) looks a bit tired.
60. I think she is the nicest person I (ever / meet) ever met