问题描述：
He found a key _______(放在）in the box.
I helped him (to find his father) 对括号部分提问
_____ _____ _____ _____ him _____ _____?
I helped him (to find his father) 对括号部分提问
_____ _____ _____ _____ him _____ _____?
问题解答：
我来补答展开全文阅读