he will go out to play for a while when(完成) all his homework 括号里的英文是什么

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he will go out to play for a while when(完成) all his homework 括号里的英文是什么
he will go out to play for a while when(完成) all his homework 括号里的英文是什么

he will go out to play for a while when(完成) all his homework 括号里的英文是什么
填 To finish.
When 后要以接不定式,但不可以接现在分词.
例:
Ask him when to open it.
问问他什么时候打开
They knew when to attack and when to retreat.
他们知道什么时候进攻和什么时候撤退.