Misc: macau will be reverted to chinese control after being under which country's rule?

Questions

A shrimp has ---------- pairs of legs.?

A shrimp has more than a hundred pairs of chromosomes in each cell nucleus. Man has only ----------?

A single ----------, with its razor-sharp teeth, is still dangerous enough when out of water to rip off the flesh, or a finger or toe, from an unwary fisherman.?

A skunk will not ---------- and throw its scent at the same time.?

A snail speeding along at three inches per minute would need 15 days to travel ----------?