Use as fast as, faster than, slower than in a sentence. Make 3 each.
1.I'm as fast as my brother.
2.A rhinoceros as fast as a polar bear = A rhinoceros is as fast as a polar bear.
3.I'm as fast as my friend.
4. A squirrel faster than a skunk =  A squirrel is faster than a skunk.
5.A gazelle faster than a zebra  = A gazelle is faster than a zebra.
6.A zebra faster than a jaguar = A zebra is faster than a jaguar.
7.A skunk slower than a squirrel  = A skunk is slower than a squirrel.
8.A rhinoceros slower than a zebra = A rhinoceros is slower than a zebra.
9.A wolf slower than a gazelle = A wolf is slower than a gazelle.