The volunteers kept their hands in hot water __________ they could no longer tolerate the pain.

Rober will start a driverless taxi service,so don’t feel surprised when you see a taxi coming_____a driver.

There are many people________ in the factories.

Can you get me some of the novels—By all means. All but one of them ____ in ourcompany.

“Shall we go fishing this weekend” “_______. I’ll go with you.”