On hearing a great noise, Mike looked forward through the window what happened outside th

发布时间：2020-08-14 23:09:27

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

网友回答

>A. to seeingB. to seeC. seeingD. to have seen
look forward to doing sth. / sth. 表示盼望做某事，而look forward to do
sth.表示向前看目的（要做。。。）
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