对话练习可选择，且提交文本和音频文件后由母语者为你批改纠错。
You have the option of either using conversation exercises or submitting text and audio files to native speakers for corrections and edits.
另外还得做练习，有些练习需要寄给老师批改打分。
You have to do exercises, too, and send some of them to the teacher to be corrected and graded.
让我们早点把练习交上，以便老师有时间来批改。
Let's hand in the exercises earlier so that the teacher may have time to correct them.
爱瑞丝：你总是有事的，不是学校排剧，就是乐队练习，或者是批改作业，去做学生会的顾问。
Iris: it's always something, isn't it? If it isn't a school play, it's band practice or grading papers or some student committee needs an advisor.
您的练习已经批改好，分数范围是0- 100分。
您的练习已经批改好，分数范围是0- 100分。
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