下列各句中，划线的成语使用恰当的一句是 （ ）

Did you plan to meet here — No, we met ________.

The steel works in which David has worked for five years us with raw material in large quantities in the past two years. [ ]

In order to decrease the death rate, the rescue team are in saving more lives.

f the young girls know they should cut down onfat, but knowing such a thing isn’t of much help when it ______ shopping andeating.