根据句意及汉语提示，补全单词。

1. Knives are used for c          (切割) things.

2. They did their best to make me           (感觉) at home.

3. Is it polite to make           (声响) while eating noodles?

4. Thanks for           (邀请) me to the party.

5. You should learn to give           (赞扬).