【正文】
r is a man with great __________ (powerful). 7. My sister has no teacher. She teaches __________ (she) how to use the puter. 8. The book is so __________ (interest) that we all like it very much. 9. I think blue often makes people think of __________ (sad). 10. We all know the importance of __________ (protection) the environment. 二、單項選擇。 at 2. The pla was named after him because he__________ it. A. invented B. found C. looked D. discovered 3. He has practiced ________a doctor sin