Complete the sentences with the correct comparative form of the adjectives in the box.

            narrow          cold    important     dangerous    fast

1.     It’s __________ in the north of Viet Nam than in the south.

2.     Is a snake __________ than a dog?

3.     Doing homework is __________ than playing video games.

4.     The streets in my neighbourhood are __________ than in your neighbourhood.

5.     Travelling by air is __________ than travelling by bus.