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單項選擇題

At that time, she（）on a journey with her friend.

A.is
B.was
C.has been
D.is being

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As the bus came round the corner, it ran（）a big tree by the roadside.

A.into
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單項選擇題

As a primary school teacher, one should be（）with children. This is the first standard for being a good teacher.

A.patient
B.positive
C.negative
D.peaceful