When he was ten, Edison a small lab of his own.A. set upB. set offC. set outD. set in

发布时间：2020-08-15 02:12:21

When he was ten, Edison      a small lab of his own.
A. set up
B. set off
C. set out
D. set in

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(答案→)A. set up
B. set off
C. set out
D. set in
解析：set up意为：建立，成立。
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