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不料发现英语怎么说,三个空的shehurriedbackhome,(不料发现)shehadleftthekeysintheoffice.

题目详情
不料发现 英语怎么说,三个空的
she hurried back home,_____ _____ _____(不料发现) she had left the keys in the office.
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答案和解析
without noticing that
not knowing that