Li Yuanshen and I ________ good friends.

We live day by day, but in the great things, the time of days and weeks ____ so small that a day is unimportant.

Which picture is about the tenth China Art Festival? 

 —________ two 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.

The number of college graduates in a country _____ its cultural standard nowadays.