问题标题:
Samwantedtogouptothemanbutsuddenlyhe_____thattherewasnoneinthehouse.foundoutnoticedsawknew
问题描述:
Samwantedtogouptothemanbutsuddenlyhe_____thattherewasnoneinthehouse.
foundout
noticed
saw
knew
蒋外文回答:
noticed注意到
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