【1】Would you like to help me ________________(带来) it in?

【2】We always keep our classroom clean and ________________(整洁).

【3】Peter has a ________________(模型) plane.

【4】--- Are those books ________________ (我们的)?

--- No, they're ________________ (他们的) books.

【5】There are many boys on the ________________(操场).