Giải đê ae

Exercise 4 1. When the earthquake happened, they were doing their homework. 2. Were you talking to your friend on the phone at 9 p.m. yesterday? 3. While he was cooking dinner, his mother came home. 4. Dark clouds gathered and after a few minutes, the storm broke. 5. What were they doing when you arrived at their house? Exercise 5 1. We arrived in New York earlier than we expected. 2. Be careful! There's a piece of glass on the grass. 3. Jane's classmates held a birthday party for her at a bubble tea shop. 4. Many people chat for hours on the Internet because it is free. 5. By 2030, smartphones will become supersmart and super thin. 6. The man sitting next to me on the plane said that he could do telepathy. 7. I think robot carrier pigeons will become popular in twenty years' time. 8. Lan's house is next to mine, just across the street. Exercise 6 1. I have two smartphones, and this is one of mine. 2. I really admire his collection of smartwatches, and this is a smartwatch of his. 3. A smartphone of hers is always by her side, helping her contact others constantly. 4. Can you show me a new app of yours for future communication? 5. The new device has a lot of new functions; let me show you one of its. Exercise 7 B. Our teacher said we would like science after we read this book. If you have any further questions or need clarification on any part, feel free to ask!