Ⅰ. 根据句意及首字母或汉语提示完成单词(10分)
1. He wants to go back to a mountain v _______ to teach the children after leaving the college.
2. The old man is p _______ but happy because he has many friends.
3. The air is t _______ in high mountains.
4. The woman was very sad because her _______ (丈夫)died in the accident.
5. He _______ (返回) to the hotel after he finished having the meeting.
