56. Hanh ......... ( not read ) with the friends at the moment. 
57. ....... Son ........ ( write ) to their friends every summer holiday ? 
58. What ...... you ......... ( listen ) on the radio now ? 
59. Listen ! Someone ........... ( cry ) 
60. Kien and Tuyen ........ ( be ) good friends 
61. They .......... ( not be ) doctor
62. He often ........ ( pick ) his friend up at the rain way station morning 
63. ......... you often ............ ( do )  your homework in the evening ? 
64. He .......... ( not get ) good grade this morning  
65. I ......... ( read ) an interesting novel at the moment 
66. .......... you usually ........... ( watch ) TV in the evening ?
67. The always ........ ( talk ) to each other in the weekend 
68. She ......... often .......... ( not go ) shopping on weekend
69. They ...... ( play ) soccer at the moment 
70. They ......... ( not be ) classmate 
71. ............ he ........... ( be ) your father ? 
72.  ......... she .......... ( listen ) to music now ? 
73. Thanh and Hung ............ ( read ) a wonderful story at the moment 
74. Mai and Hang ............ ( not play ) the game at the moment 
75. I often  ......... ( wash ) my clothes 
76. She ............ ( not be ) at home now
77. .......... you often .......... ( write ) to your friend?
78. We......... ( meet ) each other twice a month 
79. Mr. Mai ........... ( water ) the plant every morrning 
80. He .......... ( listen ) to the telephone at the moment