【正文】
1. — I think puters are useful. — Yes, I agree with you. (改為同義句 ) — I think puters are useful. — Yes, I ________ ________. 2. I was listening to him. (改為一般疑問句 ) ________ ________ ________ to him? 3. I think classical music is good. (改為否定句 ) I ________ ______