On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
A、toseeingB
暂无解析
This robot is supposed to save a lot of labor, but it remains a problem if it ______.
Thereweremanymorepeoplewhogotinjuredinthebigfirethan_______.
It is no longer a problem _______ the poor children in this district can go to school.
Wehadn'tmetfor20years,butIrecognizedher_____Isawher.
There were many more people who got injured in the big fire than _______.
