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)
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Sinh Học lớp 12
