Ex1: Combine each pair of sentences to form a conditional sentences, using "if" tupe 2.
1. The factory is located near our village. There is air pollution and noise pollution. 
2. The local people have to use water from the polluted river. They don't have fresh water. 
3. Trees and grasses cannot grom here. The soil is badly polluted. 
4. Ms. Ha works in a noisy environment. Her hearing becomes worse. 
Ex2: Complete the 2nd sentences so that it has similar meaning to the 1st sentences. 
1. Scientists have invented new devices to help people live a longer life. 
=> New devices.....
2. The rescue workers evacuated the villagers in the raged flood to the safe place last night. 
=> The villagers in the raged flood......
3. The students will provide aids for the homeless people tomorrow. 
=>  Aids.....
4. The storm destroyed many houses in this village last week. 
=> Many houses.....
5. Did they give food to homeless people last year? 
=> Was......
6. Although the weather was bad, the football match was not canceled. 
=> Despite......
7. The tortoise was running. The hare was sleeping. (while)