单项填空 (共15小题, 满分15分)——May I take your order now? —— . —— OK, I’ll come back in a few minutes.
Everyone in our class was working hard and doing what we could ______ a good college.
It is said that the early European playing-cards ______ for entertainment and education.
Gaddafi’s failure in Sirte _________ him the last opportunity to reestablish the government.
I suppose by the time I come back next year, all these old houses south of the Baoshehe River ________ down.
The ability _______ an idea is as important as the idea itself.