问题详情：
句型转换。
1. John has a great basketball collection. (改为一般疑问句)
_________ John ________ a great basketball?
2. Mary’s pencil is yellow. (对画线部分提问)
_______ ________ is Mary’s pencil?
3. My basketballs are in the box. (改为否定句)
My basketballs _________ ________ in the box.
4. I’m very fine. ( 对画线部分提问)
_______ ________ you?
5. This is my key. (改为复数句)
________ are our ___________.
【回答】
1. Does, have 2. What color 3. are not 4. How are 5. These, keys
知识点：句型转换
题型：未分类
