I 词汇(10分)
根据所给汉语提示或单词填空,每空一词。
1. He is a _______ (科学家).
2. We wear the caps to _______ (保护) us from the sun.
3. When I came into the room. My sister _______ _______ (read) the book.
4. What were you _______ (do) at nine o’clock yesterday morning?
5. The _______ (骆驼) live in the desert.