根据括号里所给的汉语写出英语单词。
1. —What's your QQ_________(号码)?
—It's 2378900.
2. —How is your teacher, Nancy?
—________(她) is fine.
3. —Where is Stephen Hawking from?
—He is from _________(英国).
4. —_______(谁) is she?
—She is my friend, Jian Xuejiao.
5. —Is Mr. Li your English________(老师)?
—No, he isn't.