UNIT 5
92. viewer can watch international program __________ different channels.
93. Remote controls are used to interact __________ TV
94. Viewers can watch international programs ___________ different channels.
95. What do you use the internet __________?
96. They read the news ____________ the internet.
97. I can also communicate __________ my friends by means of e-mail .
98. We should prevent students __________ throwing trash.
99. The baby laughed happily as she played __________ her toy.