单项选择题
The most important thing for Lucy is to find a proper job，（）in which she can bring her ability and potential into full play．
A.thisB.thatC.oneD.the one
单项选择题 We arrived at a farmhouse，in front of （）.
单项选择题 You have a big mouth，Li Fei.You（）have told everybody the secret.
单项选择题 Oh，boy，why are you killing your time this way？Can’t you find something（）doing at all？
