We are proud of us.

I use a computer every day.

"We've got taller so they don't fit." "Right, it's certainly not that we've got fat!" "The useful phrase 'grown up' is our trump card."

It is only recently that crude oil has come to be used to make chemical products.

At first we used to go separately, but one day we started going and returning together.

In a fight against speculators who are dumping the U.S. currency, central banks of major countries have carried out massive concerted interventions in the market.

At first we used to go separately, but one day we started going and returning together.

The approaches used in those two designs are exactly alike.

I used to work in a noisy room.