题目内容
根据句子意思完成句子，每空一词。
---Where is the bag? ---Sorry, I ________ ________.
---Are your books ________ the bookcase? ---Yes, ________ in the bookcase.
---Where ________ your books? ---They're on ________ desk.
---________ my watch? ---________ on the bed.
---Is your eraser in the pencil case? ---No, ________ ________.
