—How much do you know about the Youth Olympic Games to be held inNanjing?—Well,the media ________ it in a variety of forms.
If a computer crashes,you will lose the file you _____ on unless you save it regularly.
There you can see beautiful tall buildings on _____side of the square.
Only when you stay and live with___ local people for a period of time will you have ____better understanding of life here.
—Shall I lock the lab now before I go home? —______.I’ll check it myself later.
.—The head teacher said we had only three days to finish the project. —Don’t worry.We have already ____ two thirds of it.