1. ⇒ If I was you, I would plant vegetables in the garden.

câu điều kiện loại 2.

2. ⇒ I think the waste from the factory has polluted the lake.

3. ⇒ Factories will not dump waste into rivers if the government fines them heavily.

dump: xả (rác)

the government: chính phủ

fine: phạt

4. ⇒ Too much carbon dioxide in the atmosphere causes global warming.

carbon dioxide: khí CO22 

atmosphere: không khí

global warming: sự nóng lên toàn cầu

5. ⇒ The Statue of Liberty in New York which is a monument symbolizes freedom.

The Statue of Liberty: tượng Nữ thần Tự do

symbolize: trượng trưng

freedom: sự tự do

6. ⇒ Hundreds of buildings were completely destroyed when the earthquake struck the city.

earthquake: động đất