1.Hurry!It＇s already dark,but we have a （）walk.Atwo—hour B two—houred 2.The newly—buil...
1.Hurry!It＇s already dark,but we have a （）walk.Atwo—hour B two—houred
2.The newly—built library is a （）building.
A.five—storey B.five—storyed
为什么第一题选A而第二题选B