17ex Put the adjectives / adverbs in brackets into the correct form.
1 Travelling by car is tar
(expensive) than travelling by bus.
2 The Yangtze River Dolphin is one of
(rare) mammals in the world,
3 Recycling is very
(important to help protect the environment
4 I can't understand you. Can you please slow
down and speak
(clear)?
5 Dolphins are actually
(smart) than chimpanzees.
6 The Mona Lisa is
(valuable) painting in the world.
7 It is
(difficult) to find
work in the countryside than in the city
8 Jill was tired last night, so she went to bed
(early) than usual.
2. The rarest
3. Important
4. Clearer
5. Smarter
6. The most valuable
7. More difficult
8. Earlier
1. more expensive
2. the rarest
3. more important
4. clearer
5. smarter
6. the most valuable
7. more difficult
8. earlier