Complete the following tag questions.
1. It’s a new cartoon, ……………………………….?
2. They don’t want to sell their house, …………………………?
3. This machine never works very well,…………………………?
4. Your parents live in the countryside,…………………………?
5. We can’t go camping today,………………………..?
 Change the sentences into the passive voice.
1.They will build a hydropower station in the North of the country next year.
    →A hydropower station..........................................................................................
2.They sell these chemicals everywhere in my hometown.
    →These chemicals....................................................................................................
3.My children will turn off the lights when going to bed.
    → The lights ..........................................................................................................
 
    → Renewable energy ………………………….……………………………………..…
5. They will use solar energy to protect the environment.
    → Solar energy …………………………………………………………………..