句型转换。
1. I slept for ten hours last night. (对划线部分进行提问)
_______ _______ did you _______ last night?
2. I learned to ride a bike when I was seven years old. (改同义句)
I learned to ride a bike _______ _______ _______ _______ _______.
3. I finished middle school in 2000. ( 对划线部分进行提问)
_______ did you finish middle school?
4. Class two won the second prize in the football match. (对划线部分进行提问)
_______ won the second prize in the football match?
