1.The groundhog comes out its burrow after hibernating through winter ,and wanders about the prairie looking for food.
2.Public health experts say that the money one spends avoiding illness is less than the cost to be sick.
3.Crustaceans, alike insects, are
invertebrate animals that possess external skeletons.
4.D.W.Griffith directing and producing his own silent movies ,achieving great popularity and was a pioneer of modern cinema.
5.Cheap labor scarcity was in the cotton
plantations of the American South ,and slaves
became standard practice.

1.out后加from
2.spends-->spending
3.alike--->like
4.achieving--->achieved
5.and-->and then