问题描述：
during the summer holiday tom found a job ____ all that he did was ___ a lab
第二空填attach很好理解,第一空为何填in which,
during the summer holiday tom found a job ____ all that he did was ___ a label to the bottle.
第二空填attach很好理解,第一空为何填in which,
during the summer holiday tom found a job ____ all that he did was ___ a label to the bottle.
问题解答：
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