Congratulations! Among the best pictures in the competition, I found .When did you draw it—During the trip to the Purple Mountain in May, 2014.

The factory ______ its waste into the river,but now it deals with the waste in a new way.

23．I decide to leave the company next month, where I______for exactly three years

n tomorrow, we will not go outing

It was at the gate of our school ____we gave thevisitors a warm welcome