选择题：On hearing a great noise, Mike looked forward thro

题目分类：兰州交通大学-大学英语3
题目类型：选择题
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题目内容：

On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.

得分/总分

A.
to seeing

B.
to have seen

C.
to be seen

D.
to see

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