根据下列句子及所给单词的首字母写出所缺单词。

1. Would you lend me your phone, please? I need to give Dad a c_________ to tell him the good news.

2. It's quite warm today. You needn't w_________ your jacket, David.

3. Look! How d_________ your hands are! Go and wash them right now.

4. Be q_________ , Peter, or we'll miss the last bus to our school.

5. —Can I have a drink? 

    —Please help y_________. There is some orange juice in the fridge.