31. Einstein didn’t care for money. Once he used a check $1000 as a bookmark and then he

发布时间：2020-08-16 06:10:06


31. Einstein didn’t care for money. Once he used a check      $1000 as a bookmark and then he lost it.
A. for
B. of
C. about
D. To

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(答案→)A. for
B. of
C. about
D. To
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