It was not until his father came back from work _________ the boy began to do his homework.
The best ways to go to this small town ____ by bus _____ by bicycle.
We’ve published large quantities of books. This year______ we’ve published three million copies.
—Mr. Hu, have you finished correcting the papers? —Not yet, the papers _______. You _______ get the results from me by tomorrow.
During the Middle Ages, a conventional artist was not interested in showing nature and people _____they really were. A. who B what C. like D. as
— Is it true that Jack _______? —Exactly. He damaged a very expensive machine.