VI

1, The most popular invention is the Segway.

2, Because it is too expensive.

3, It is the mono-wheel.

4, The Segway is eco-friendly.

VII

1, Human will use the sun as the biggest energy source for the future.

2, Mr. Tan will be working in a hospital by this time next year.

3, My school will organize a festival next week.

4, The students will be learning English at this time tomorrow.

VIII

1, Solutions to reduce pollution in the city will be found by scientists.

2, Sources of energy will be used more effectively for our future.

3, The use of electricity will be minimized to save our energy.

4, More regulations will be made to reduce industrial pollution by governments.

5, A great deal of energy will be offered by wind power next century.

 

Mình trình bày trong hình nhé >~<