单项选择题
A.was she doing B.did she do C.is she doing D.has she hone
When Jack arrived, he learned Mary （） for almost an hou...
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
（）what she would do, she didn't say anything.A.AskB.Ask...
单项选择题（）what she would do, she didn't say anything.
A.Ask B.Asking C.Asked D.To ask
Be quiet! They （） a meeting in the next room.A.are h...
单项选择题Be quiet! They （） a meeting in the next room.
A.are having B.have C.were having D.will had
