1.Mr Morgan was out of work now.
2.Mrs Brown was in the school library just now.
3.The jazz CDs are in front of the dance section.
4.downstairs
5.is climing in the 没记错的话长在树上的用on ,外来的用in ,猫是外来的物体,用IN
6.serious
7.我觉得你的这句话打错了单词,应该是what do you think of the belt?
How do you know the belt?