1.Students are more aware of protecting the environment. Teachers teach environmental issues at school.
If …………………………………………………………………………………
2.People speak English all over the world.
English ……………………………………………………………………
3.Many rivers and lakes are poisoned.Factories produce waste and pour it into rivers and lakes.
Because …………………………………………………………………………
4.They provided food then cleared up the debris.
After they………………………………………….
1. If teachers teach environmental issues at school, students will be more aware of protecting the environment.
2. English is spoken all over the world.
3. Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
4.After they provided food,they cleaned up the debris.
1. If teachers teach environmental issues at school, students will be more aware of protecting the environment.
2. English is spoken all over the world.
3. Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
4.After they provided food,they cleaned up the debris.
