He said ______ couldn’t he work out the problem but his teacher didn’t know how to do it.

The young woman got to the cinema two hours ahead of time ________ she could get a good position.

John felt very embarrassed ________ he entered the government hall.

—Why didn’t you tell him about the meeting?—He rushed out of the room _____ I could say a word.

　　　you told me in secret, I had heard nothing about it.