In order to live a longer life, what should people do？A．Do as much exercise as we can.B．Gr

We don’t like Professor Smith’s class,but we have to（)it in order to graduate.A live wit

I prefer to live in the countryside. Country life has a lot of（)over city life.A.chara

The expression "adding vital life to years" in the last paragraph meansA．living longer.B．l

In societies with strong family _______, people tend to live longer.A) contactB) harmon

In order to improve our standard of living we hav

I prefer to live in the countryside. Country life has a lot of()over city life.A.chara