单项选择题

The oldest preserved manuscripts are those written on papyrus, which were found in Egyptian tombs.

A．protected
B．hidden
C．sought
D．discovered
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单项选择题
All of the tenants in the building complained about the lack of hot water.
A．old people

B．landlords
C．superintendents

D．occupants
单项选择题
The papaya is a tropical fruit usually eaten raw.
A．unpeeled

B．uncooked
C．unsweetened

D．unsalted
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