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單項(xiàng)選擇題

I regret（）the trouble I have caused you.

A.to
B.at
C.for
D.on

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I regret（）you of the accident.

A.inform
B.informing
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單項(xiàng)選擇題

I strongly protest against your verbal instruction（）you intend berthing a Greek ship out side of my own.

A.where
B.that
C.this
D.which