问题
选择题
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
A.to seeing
B.to see
C.seeing
D.to have seen
答案
答案:B
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。。。)