题目内容：

根据句意及首字母提示补全单词。

1.Can you give him something to drink? He is__________.

2.It’s a s________ between you and me. Don’t tell others.

3.We’ll meet many _____________(外国的)friends from all over the world..

4._____________ (物理) is one of my favorite subjects

5.Look,!They are ________ (talk about something) about the trip to Beijing.