Make sentennces. Use isn"t/aren"t + as ... as.

1. Alex isn"t as old as David.
1. Alex is younger than David.
2. You"re shorter than Rosie.
3. Keyboards are cheaper than printers.
4. A bicycle is slower than a car.
5. Cheetahs are smaller than lions.
6. The science exam is easier than the maths exam.