—What’s this? —It’s a machine which was invented in __________century in China.
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A
six
B
sixth
C
the six
D
the sixth
推荐题目
Please turn to page           and look at the          picture in this unit.
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A
twentieth; one
B
twenty; one
C
twentieth; first
D
twenty; first
About          of the workers in the factory were born in the         .
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A
two-thirds, 1970
B
two-thirds, 1970’s
C
the two-third, 1970
D
two-third, 1970