Up to now, they _______enough money for students who can’t afford to go to school

下列各项中，没有语病的一项是（3分）（ ）

What’s your plan for this winter vacation– I’ll takean express train to Dalian for my holiday ______ school ends

No sooner ______ on board the train thanit______ to move.

________ I know, the place where we used to ________ our flag has become a modern teaching building.[ ]