XI. Write the second sentence so that it has the same meaning as the first one
1. Keep the environment clean or we will suffer from pollution.
If ____________________________________________________________________
2. I last visited my native village when I was ten.
I haven't ______________________________________________________________
3. Humans don't drive as carefully as self-driving cars.
Self-driving cars ________________________________________________________
4. There aren't many people who still want to stay in the village.
There are only _________________________________________________________
5. The population of Los Angeles is over 3 million.
Los Angeles ___________________________________________________________
6. People will use flying cars to travel across the globe some day.
Flying cars ____________________________________________________________
7. Developing countries have more population problems than developed countries.
8. Developed countries _____________________________________________________
9. Veronica is one of my good friends.
Veronica is a ___________________________________________________________
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Sinh Học lớp 12
