（英语）按要求改写句子 (共7句）

Many ,many years ago,people livd (with dgs)(括号提问）_______ __________people ________with in caves many , many years ago?

Dogs also helped people (hunt animals for food),(括号提问）_________ ________dogs also__________people do?

We should (take good care of dogs).(保持句意不变）We should______ ________dogs________

Tom prefers the white and black dog to the brown one.(句意不变）Tom_______the white and black dog______ _________the brown one.

We should protect our best friends —trees from being cut off.(句意不变）We should______our best friends —trees____being cut off.

The SPCA takes care of animals in many countries.(保持句意不变）The SPCA_____animals in many countries.

We should be kind to animala.(句意不变）We shouldn't__________to animals