根据句意及汉语提示完成下列句子。

1. Franc is not a child at all. He can _______ _______ (照顾) himself well.

2. I'm sorry I couldn't _______ _______ (接通) to you last night.

3. Children should sleep _______ _______ (至少) ten hours every day.

4. Our football team will _______ _______ (同……比赛) yours this Friday afternoon.

    Would you come and cheer them on?

 5. To keep healthy, we should eat more fruit and vegetables ______ ______ (取代) meat.

网络体系结构的概念包括 【4】 和相邻层接口两层含义。