I was in charge of grading all the problem sets that were assigned as homework.
题目
I was in charge of grading all the problem sets that were assigned as homework.
答案
我当时就负责把那些被指定为作业的问题设备分分等级.
be in charge of 负责
grade sth.为某东西分等级
断句:
i was in charge of grading/ all the problem sets (that were assigned as homework--定语)
举一反三
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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