A recent survey shows that the number of children who       from the countryside with their parents       ________nearly 320,000 in Beijing.

. It is not I but you who ___ the first to run to the goal in the competition.

All but Tom ___that film before.

Very few _________ his address in the town.

 —________ 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.