I heard the noise when i was watching TV(划线部分提问)when i was watching TV划线._______ ________ you ______ the noise?
问题描述:
I heard the noise when i was watching TV(划线部分提问)when i was watching TV划线.
_______ ________ you ______ the noise?
答
when did hear
答
when did you hear the noise?.......
答
When,did,hear