pp语法一道，请教高手！

IcePoint · 发表于 2003-10-30 13:06:00

Although copper was hammered into tools and ornaments by some early inhabitants of North America, the smelting and casting of copper were unknown between them.

答案D，很容易看出。
请教修改方法。

monicar · 发表于 2003-10-30 13:20:00

among

lucyyyh · 发表于 2003-10-31 11:38:00

同意monicar的修改.
them 指代early inhabitants of North America, 所以between -----> among.

IcePoint · 发表于 2003-10-31 12:03:00

pp语法一道，请教高手！

pp语法一道，请教高手！

所属分类: TOEFL / IELTS

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