问题
She was reading a book in her chair _____ first time Isaw _____ old lady
A:discovered
B:to be discovered
C:discovering
D:having discovered
B:to be discovered
C:discovering
D:having discovered
正确答案是:
同类题型
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___ crying sadly, he raised his head and let tears stream down his face on purpose.[ ]
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What’s your sister doing now— She ______ her homework.
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