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單項(xiàng)選擇題

The world's supplies of copper（）

A.have gradually being exhausted
B.are gradually exhausted
C.has been gradually exhausted
D.are being gradually exhausted

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單項(xiàng)選擇題

— Would you mind closing the window? —（）.

A.Yes, please
B.No, I’m sorry
C.Certainly not
D.All right

單項(xiàng)選擇題

He is a popular movie star. His popularity（）in the high attendance at all his movies.

A.reflects
B.reflected
C.is reflected
D.is reflecting

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