按要求完成句子，每空一词。 1. That is my grandfather.
题型：句型转换
问题：
按要求完成句子，每空一词。
1. That is my grandfather. (改为一般疑问句)
______ that _____ grandfather?
2. This is an orange. (改为复数句)
______ ______ oranges.
3. His backpack is on the desk. (对划线部分提问)
______ ______ his backpack?
4. John has three baseballs. (改为否定句)
John ______ ______ three baseballs.
5. Does Linda play ping-pong every morning? (作否定回答)
______, she ______.
