高等教育 / 新发展英语综合教程（二）
The wheel was probably invented by _ _ _ _ _ _ .
A.a group of early hunters
B.the first men on earth
C.a great prehistoric thinker
D.the man who made the first cart
A.a group of early hunters
B.the first men on earth
C.a great prehistoric thinker
D.the man who made the first cart
参考答案：
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