单项选择题

A．From rocks in the mountain.
B．From the remains of ancient sea life.
C．From the soil under the sea.
D．From ancient trees.
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单项选择题
A．They locked the couple up in the drawing room.B．They seriously injured the owners of the house.C．They smashed the TV set and the telephone.D．They took away sixteen valuable paintings.
A．They locked the couple up in the drawing room.
B．They seriously injured the owners of the house.
C．They smashed the TV set and the telephone.
D．They took away sixteen valuable paintings.
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