单项选择题
When Jack arrived, he learned Mary （） for almost an hour.
A.had gone B.had set off C.had left D.had been away
单项选择题 （）what she would do, she didn't say anything.
单项选择题 Be quiet! They （） a meeting in the next room.
单项选择题 "Town Hall is the tallest building in the city." "（）from here?"
