Ex.D
1. The motorbike isn't as expensive as the car.
2. Kilimanjaro is the highest mountain in Africa.
3. Kevin doesn't know as many tricks as Julian.
4. In Rome it rains less often than it does in London.
5. Jogging isn't as tiring as athletics.
Ex.E
1. c
2. b
3. d
4. a
5. e
