问题描述：
把下列句子翻译成英语,每空一词.
1.你爸爸负责销售吗?
Is your father______ ______ ______sales?
2.他两年前开始经商.
He began his business____ _____ _____.
3.其他人在干什么?
What are the ______ ______doing?
1.你爸爸负责销售吗?
Is your father______ ______ ______sales?
2.他两年前开始经商.
He began his business____ _____ _____.
3.其他人在干什么?
What are the ______ ______doing?
问题解答：
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