170. So long as you work hard enough, a(an) rod can be ground into a needle. (prov.)A. st

发布时间：2020-08-16 07:01:50


170. So long as you work hard enough, a(an)      rod can be ground into a needle. (prov.)
A. steel
B. stick
C. gold
D. Iron

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A. steel
B. stick
C. gold
D. Iron
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