词汇：phone call, speak, message — 英语词汇题
题目
根据句意和中文提示，补全句中的单词。
1. Mum is out. Please leave a m______（留言）on the phone.
2. May I s______ to Mr Green, please? This is Tom.
3. When you get a p______ c______（电话）from a stranger, be careful.
4. Sorry, he can't come to the phone now. Can I take a m______（口信）for him?