It must be he that has stolen Mr. Smith’s purse, _____?
. I want to be very careful to talk only about ____ we've formally tested.
If we had taken the other road, we ________ earlier.
The driver _____, according to the newspaper, to have been killed in the traffic accident.
.— Have you ever visited the Opera House? —Yes.When I was in Sydney, I ______ it twice.
Oh, much smoke here ! Somebody _____ the window, please.