725.The noise from the top floor,loud and constant,of the meeting room _______ can be clearly heard in our classroom.
A.being decorated
B.having been decorated
C.to be decorated
D.decorated
726.__________ in the leg made it impossible for me to walk as fast as usual.
A.Being injured
B.To be injured
C.Having injured
D.Injured
725.答案是A;考查非谓语动词，the noise of the meeting room being decorated正在被装修的会议室里的声音。介词of之后接动名词，且与the meeting room直接为被动关系。
726.答案是A;考查非谓语动词。此题中动名词的被动形式作主语。
