所有的学生都坐直了，等待考试开始。
All the students sat up straight and waited for the test to begin.
从第一次参加考试开始，学生就被教导不要作弊。
From the first time students take an examination, they are told not to cheat.
马路在考试开始时也立刻变得安静了。
例句：老师宣布考试开始。
考试开始了。
考试开始了。
即日起，HSK考试开始接受报名， 报名详情，请按这里。
Registration for HSK is now accepted. For more information, please click here.
即日起，HSK考试开始接受报名， 报名详情，请按这里。
Registration for HSK is now accepted. For more information, please click here.
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