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單項選擇題

It is not always easy to tell the right（）the wrong.

A.from
B.with
C.than
D.to

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單項選擇題

It is not always easy to tell the right（）the wrong.

A.from
B.with
C.than
D.to

單項選擇題

It is high time we（）something to stop road accidents.

A.did
B.are doing
C.will do
D.do