句型转换。 1. Theyhaveatennisball.（改为一般疑问句并作否
题型：句型转换
问题：
句型转换。
1. They have a tennis ball.（改为一般疑问句并作否定回答）
_____ they____ a tennis ball?
No, _____ _____.
2. Tony has a basketball.（改为否定句）
Tony _____ _____ a basketball.
3. He plays sports on Sundays.（对画线部分提问）
_____ _____ he _____ on Sundays?
4. Does he have a sports collection?（改为陈述句）
_____ _____ a sports collection.