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單項(xiàng)選擇題

The swimming pool is so（）that it's safe for small children.

A.stable
B.smooth
C.superficial
D.shallow

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單項(xiàng)選擇題

Stone does not（）, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.

A.crack
B.decay
C.destroy
D.crush

單項(xiàng)選擇題

He had a（）look in his eyes. He must have been shocked.

A.empty
B.bare
C.blank
D.hollow

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