71.how many teeth多少颗牙齿？

How Many Teeth?  不同的动物有几颗牙呢？

Different animals have different numbers of teeth.

A snake can have two fangs

A vampire bat can have twenty teeth.

A horse can have forty teeth

An opossum can have fifty teeth.

An alligator can have eighty teeth.

A sand tiger shark can have ninety-six teeth.

A dolphin can have two hundred fifty teeth.

A snail can have twenty-five thousand teeth!

How many teeth do you have?