69. I am going to have a birthday party on the next Sunday.

70. The printer is being used at present.

71. While Mary was listening to music, her mom phoned her.

72. She was excited about her birthday party last night.

73. The teacher does not allow us to use the dictionary during the test.

74. The first season of Vietnam Idol aired on May 23, 2007

75. ... was mended by Mr Dryden

76. ... is too small for us to live in

77. ... arrived while we were having lunch

78. ... found that film boring

79. ... time they have ever seen that film

80. ... been playing the piano since he was 6

69, i am going to have a birthday  party on sunday

70, the printer is being used at present

71, while mary was listening to music, her mother was phoning her

72, she was excited about the birthday party last night

73, the teacher didn't allow us to use the dictionary during the test

74, the first season of VN air on May 23 ,2007

75, the washing machine was mended by Mr dryden

76, the room is too small for us to live in it

77, he was arrived while we were having our lunch time

78, i felt the film was boring

79, this is the first time they have seen that film before

80, peter has played the piano since he was 6