动词短语
中文翻译：勾选
同义词：
['mark off', 'cross off', 'tally off']
例句：
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1. I need to check off all the tasks before the deadline.
我需要在截止日期前完成所有任务。
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2. She crossed off the items on her list as she completed them.
她完成了清单上的项目，把它们勾掉了。
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3. The teacher marked off the areas where the students had made progress.
老师在学生取得进步的地方做了标记。