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單項選擇題

When did you see her? What （） then?

A.was she doing
B.did she do
C.is she doing
D.has she hone

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單項選擇題

When Jack arrived, he learned Mary （） for almost an hour.

A.had gone
B.had set off
C.had left
D.had been away

單項選擇題

（）what she would do, she didn't say anything.

A.Ask
B.Asking
C.Asked
D.To ask

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