A polar bear can't live in the Sahara desert because it is (hot)
too hot.
A polar bear can't live in the Sahara desert because it isn't (cold)
cold enough.
A child can't cross the road without and adult because it is (dangerous)
too dangerous.
A child can't cross the road without and adult because it isn't (safe)
safe enough.
A baby bird can't fly because it is (young)
too young.
A babybird can't fly because it isn't (old)
old enough.
A lion can't live in the artic because it is (cold)
too cold.
A lion can't live in the artic because it isn't (warm)
warm enough.
Kevin can't stay home alone. He's only 7 years old. He's (young)
too young.
Kevin can't stay home alone. He's only 7 years old. He isn't (old)
old enough.
I can't win this race because I'm not (fast)
fast enough.
I can't win this race because I'm (slow)
too slow.
Yaks can walk on rocks because Yak's legs are (strong)
strong enough.
Yaks don't like the sun because the Yaks get (hot)
too hot with their thick fur.
Yaks don't get cold because their fur is (enough)
thick enough.
Not many animals can live in the artic because.....
it's too cold.
