When about the discovery of penicillin, Sir Alexander Fleming said;“One sometimes finds what one is not looking for． [ ] A． asked B． being asked C． to be asked D． asking 题目和参考答案——青夏教育精英家教网—

题目内容

When ________ about the discovery of penicillin, Sir Alexander Fleming said;“One sometimes finds what one is not looking for．”

[　　]

A．

asked

B．

being asked

C．

to be asked

D．

asking

答案：A
解析：

when asked是when Sir Alexander was asked的省略。

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