Some of the members demanded to know why they had been kept ________ the true facts until they reached the present critical stage.

_____ by the problem that was put forward at the meeting，the people in the audience had _____ looks on their faces. [ ]

Does the price include breakfast only, or dinner ___?

I’m worried about the coming test. —You should work hard for it,_____you’ll have to take it again.

He _____the problem _____in his mind for a whole week before he did anything about it.