1. Choose the best answer:
- The festival (takes/takes place/occur/held) every year at the end of August.
- A sky safety system can help cars to (prevent/have/use/take) traffic jams and crashes.
- A jet pack doesn’t (have/bring/take/occur) a lot of space.
2. Word form:
- Solar energy is renewable, ______ and clean. (plenty)
- ______ , fossil fuels are harmful to the environment. (fortunate)
- Solar power can be used to ______ or colour houses. (hot)
- The festival (takes/takes place/occur/held) every year at the end of August. - A sky safety system can help cars to (prevent/have/use/take) traffic jams and crashes. - A jet pack doesn’t (have/bring/take/occur) a lot of space. 2. Word form: - Solar energy is renewable, plentiful and clean. (plenty) - unfortunately , fossil fuels are harmful to the environment. (fortunate) - Solar power can be used to heat or colour houses. (hot)