EVery year the U.S receives tens of thousands of inventiona.

EVery year the U.S receives tens of thousands of inventiona. Of these only a few become_____
A. useful B complete C popular 该选哪一个/
紫玉悠悠 1年前 已收到4个回答 举报

jj65jlllf 幼苗

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C

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bartzh 幼苗

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DDDDDD

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bb1124 幼苗

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C

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shorelina 幼苗

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C
Every year the U.S. receives tens of thousands of inventions. Of these only a few become popular and make a lot of money. There are thousands of inventions that nobody wants.
Here are som...

1年前

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