问题补充：
My father is mending the bike.（对划线部分进行提问） 画线部分mending the bike
答案：
What is your father doing?
======以下答案可供参考======
供参考答案1:
What is your father doing ?
供参考答案2:
What does your father doing?
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时间：2022-12-20 17:42:04
My father is mending the bike.（对划线部分进行提问） 画线部分mending the bike
What is your father doing?
======以下答案可供参考======
供参考答案1:
What is your father doing ?
供参考答案2:
What does your father doing?
The desk is broken .it needs -----（mend）
2018-07-02
2024-07-21
2024-07-21
2024-07-21
2024-07-21
2024-07-21
