Complete the questions with the comparative or superlative form of the adjectives. then answer the questions.
1. What is the biggest country in the world?
2. Is the Atlantic Ocean....(large) or...... (small) than the Pacafic Ocean?
3.Which is the coldest continent in the world?
4. Is gold ....(heavy) than silver)?
5. What's ....(high) mountain in the world?
6. Which is ....(near)to the sun: Mars or Earth?