The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.
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.
She looked up and nodded for me ______..