The number of foreign students attending Chinese universities rising steadily since1990.
As the little boy ______ milk now, he doesn’t want to eat any other food.
I would prefer_______ to taking _______bus, for it is not a long way to go there.
Whether this is a problem or not _______ your own viewpoint.
______ most of my friends wanted to do during the holiday was visit the Expo Garden.
Scientists will have to come_______ new methods of increasing the world’s food supply.