题目内容
从所给的四个选项中选择最佳答案
______ nobody in the office, he decided to leave them a note.
[ ]
A.Seen B.Being seen C.Seeing D.Having seen
答案:C
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题目内容
从所给的四个选项中选择最佳答案
______ nobody in the office, he decided to leave them a note.
[ ]
A.Seen B.Being seen C.Seeing D.Having seen