1. Meeting, telling finding, sending, giving, taking, reading, looking, going, opening, closing, putting, sitting, doing, coming.
2. 1. The children are playing now. 2. What you are doing? - I am doing my homework. 3. The girl's mother is reading a book. 4. What the man is cutting down near the river? 5. She isn't watching TV now, she is walking in the park. 6. Bess and Lane are going to school now. 7. I am washing the dishes. 8. My friend is speaking to their teacher.
3. 1. She isn't reading the book. 2. The sun isn't shining. 3. He isn't giving me some books. 4. She isn't sitting on the grass. 5. They aren't watching TV at the moment. 6. We aren't speaking to Jane. 7. Ben isn't closing the door. 8. You aren't having dinner.
4. 1. Is Jane opening the window? 2. Is Bess cleaning her teeth? 3. Is my father reading a newspaper? 4. Is the cat drinking its milk? 5. Is the dog eating some meat? 6. Are we walking in the park? 7. Are you having dinner? 8. Are they looking at the boy?
1.Experts believe the best way to reduce musculoskeletal injuries is through RSI - designing computer facilities so they are safe and comfortable.
2. The developers of the Safetype ergonomic keyboard claim that it can prevent ergonomics or repetitive-strain (action) injury.
3. Visual problems, such as eyestrain and irritation, are severe. Causes of these problems include glare, poor lighting and focusing the eyes on the screen for long periods of time.
4. Some companies test ways to recycle and dispose of electronic waste. For example, Epson Portland sponsored all electronics collection day on the so-called Earth Day.
5. The police say mobile phones can distract the driver and cause the crash.
6. When a person is spending days and nights on the Internet, we say he is suffering from internet addiction.