Value our lives and keep away from drugs.()。

There is no denying that our living qualities have gone from bad to worse.（英译中)

We live in a society in which the medicinal and social use of substances （drugs) is p

At the end of the party, we thanked our host and went away.（英译中)

Why are some small tribes isolated？A．They live far away from big cities.B．They lack commun

We must keep away from some _____, for they will do harm to our health.A.chemistryB.

Sports and games make our bodies strong prevent us from getting too fat and keep us heal