In the future, people ………(1) to find alternative energy sources. Our current rate of using fossil fuel (2)…………..to an energy crisis this century. In some parts of the world nowadays, renewable sources of energy (3)…….. They (4)……….the main sources of power when non-renewable energy (5)………. At this time in the next decade, we (6)………solar – power speed cars. All the machines in factories (7)…….bio-diesel in the future. Windmills (8)……..in many places to supply people with electricity. Future research and development of renewable resources are necessary now.

1. A. will force B. will be forced C. will be forcing D. are forced

2. A. will lead B. will be led C. will be leading D. is led

3. A. will research B. will be researched C. will be researching D. are researched

4. A. will become B. will be become C. will be becoming D. are become

5. A. ends B. uses up C. runs out D. finished

6. A. will drive B. will be driven C. will be driving D. are driven

7. A. will run on B. will be run on C. will run out D. will be run out

8. A. will build B. will be built C. will be building D. are built

Chúc bạn học tốt nha

1. A. will force

2.  B. will be led 

3.  B. will be researched 

4. A. will become

5.  B. uses up 

6. A. will drive 

7D. will be run out

8. C. will be building