–You’ve given us a wonderful Chinese dinner, Mrs Wang.--__________. A Oh, I’m afraid I didn’t cook very well B I’m glad you enjoyed it C Come again when you are free D It’s not necessary for you to say so
Paper produced every year is ________ the world's production of vehicles.
We have done things we ought not to have done and ______ undone things we ought to have done.
— Why weren't you at the meeting? — I ________ for a long distance call from my sister in America.
She will have to find some other work for she can't ________ this loud noise any more.
The boy said ________ couldn't he work out the problem but his teacher didn't know how to do it.