—________ one and a half months enough for the project to be finished?—I am afraid not.The professor is ill and only after he recovers ________ go on with it.

Either you or one of your students ________ to attend the meeting that is due tomorrow.

--______my books?---_____in the bookcase.

---- What do you know about the population of China? ---- It _____ over 1,200 million and 80 percent of it _____ peasants.

. Early to bed and early to rise _____ a man healthy , wealthy and wise .