___________________, the experiment will be successful.

题型：单选题题类：常考题难易度：普通

广东省汕头市金山中学2016-2017学年高二上学期英语期末考试试卷

A、If carefully doing B、If it was done carefully C、If carefully done D、If doing carefully

举一反三

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— . But few could resist the temptation.

→{#blank#}1{#/blank#}{#blank#}2{#/blank#}, we continued our journey.

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