题目内容：

根据首字母提示或汉语意思补全单词（5分）

1.We will have a new subject _________ (物理)this term .

2.There are some books here. You can c________ one of them.

3.I don’t think it is a __________ (完美)plan.

4.We can’t live w_________ air or water

5.Her mother is ________ (真) busy every day.