4.
1) must buy
2) must turn off
3) mustn't smoke
4) should arrive
5) shouldn't talk
6) shouldn't put
3.
1) The USA is bigger than Poland
2) The Simpsons is the best cartoon on TV
3) English is easier than Japanese
4) My sister is the smallest person in my family
5) Murder is the most serious vandalism.
6) London is the most expensive city in England
2.
1) short
2) .....
3) long
4) dark
5) straight
6) tattoo
