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單項(xiàng)選擇題

There are many（）in China.

A.female sengineers
B.female sengineer
C.women engineers
D.woman engineers

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單項(xiàng)選擇題

This rare bird has become（）

A.an endangered specie
B.endangered species
C.endangering species
D.an endangered species

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Is $50 equivalent（）about £30?

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

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