根据对话内容，从方框内选择词的适当形式填空，每空只能填一词，每个词只能用一次。

matter     phone    borrow   leave   it

A: Dad, can I ___________ your digital camera?
B: Why?
A: I’d like to take some__________ on the school visit.
B: Here ________ is. The battery hasn’t been charged for months.
A: It doesn’t ________.
B: But it won’t be ________ at school.
A: Promise!