IV
1. don't understand... will explain
2. will be done
3. is going to wait... will stand
4. has been improved... moved
5. are waiting ... have waited
1. Less electricity will be used in the future
2. Public transport will be used by the students in my school when travelling long distance
3. The lights will be turned off by me when leaving a room or going to bed
4. A great deal of energy will be offered by wind power next century
5. Sources of energy will be used more effectively in the future
6. The use of biogas will be increased in cooking by people in the countryside
7. A hydro power station will be built in the North of the country in the next decade
8. The problem of energy shortage will be solved by using solar energy
1. The film wasn't interesting, was it ?
2. We used to play these games when we were small
3. How did the first class ticket pay for ?
4. How far is it from the village to the beach ?
5. Tam's essay didn't make the teacher satisfying
6. You should run and see if that helps you to lose weight
7. Although the city is very noisy, we enjoy living there
8. The guide doesn't speak slowly enough for me to understand
9. Our teacher drives carefully
10. Mr Tam used to go to work by car, but now he cycles
