Salesmen do their best to lead people _____ things they do not need.A: buyingB: buyC:

They regard ______ as their duty to provide the best service for their customers.A．thisB．w

Why do some people abuse drugs？A．To show off their wealth.B．To change their feelings.C．To

Low－carbon lifestyle. means a kind of lifestyle. that people do their best to reduce energ

They tried their best to resolve the residual

They tried their best to resolve the residual

They regard _________as their duty to provide the best service for their customers.