Put the adjectives in brackets in the correct forms.
 
Examples:
 
The (good) actor in the world is Jack Nicholson.
The best actor in the world is Jack Nicholson.
 
He's (good) than all the other actors.
He's better than all the other actors.
 
1) Do you think Sam is a (good) driver than Hanh?
2) Jim is the (tall) boy in our class.
3) Physics is (interesting) than Math; but the (interesting) subject is Geography.
4) I wanted to buy a (cheap) book than this, but I couldn't.
5) Jane was the (bad) pupil in our class. She always got very (bad) marks.
6) Which is the (high) mountain in the world?
7) Everybody knows that a Mercedes is (expensive) than a Nissan.
8) Schwarzenegger's (good) film is Terminator 2.
9) My computer is (fast) than yours.
10) This armchair is not (bad), but I want something even (comfortable).
11) The (exciting) scene in the film was when he fell in the river.
12) Which is (wide): the Amazon or the Danube?