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题型：语法填空（单句） 题类：常考题 难易度：普通
人教版（新课程标准）高中英语必修五Unit 3 Life in the future 单元测试2
{#blank#}1{#/blank#} {#blank#}2{#/blank#}, I can {#blank#}3{#/blank#} them {#blank#}4{#/blank#} your arrival time in advance.
—Sorry, I didn't have enough time. I really regret ______ my homework earlier.
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