【单选题】【消耗次数：1】
3. He ______ hard until I told him to sit down and have a break.
①
was working
②
had been working
③
worked
④
has worked
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Had he worked hard, he _____ the exams.
①
must have got through
②
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③
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【判断题】
Before he began to study in the university, he had worked in a company for three years.
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Tom is hard-working, so its _____________ that he won the match.
①
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②
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③
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随机题目
【多选题】
新时代的担当与作为有（）。
①
培育和践行社会主义核心价值观
②
弘扬科学与人文精神
③
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