My dictionary is on the desk [ ] My book is in the bookcase [] My key,my pencil case bag [ ]

问题描述:

My dictionary is on the desk [ ] My book is in the bookcase [] My key,my pencil case bag [ ]
用be的适当形式填空

能否具体些?
My dictionary is on the desk [ ] My book is in the bookcase [] My key,my pencil case bag [ ]
给的句子里有谓语了.(题没看懂=..=)