题目内容
—What’s this?
—It’s a machine which was invented in __________century in China.
—It’s a machine which was invented in __________century in China.
A.six | B.sixth | C.the six | D.the sixth |
D
试题分析: 句意:那是什么?是个在中国六世纪发明的机器。 six六,sixth第六。century世纪,前用序数词,序数词前用定冠词,故选D.

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