根据句意和汉语注释，写出单词的正确形式：

1. There are several ways to solve this problem. Let's have a ________(讨论) now

2. People ________(呼吸) more slowly when they are asleep.

3. Peter can't go and I can't, ________(也).

4. Hand-foot-mouth disease is terrible, but I believe that we Chinese can fight against it ________(成功地).

5. Mrs Gao is the ________ (严格的) teacher I have met in my life.