—You look worried，Laura.What's wrong? —I have some problems ________ my schoolwork. A. for B. of C. ...
2022-09-29 21:17:22 170次 2017-2018学年八年级英语人教（上）Unit 10单元检测 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—You look worried，Laura.What's wrong?
—I have some problems ________ my schoolwork.
A. for B. of C. with D. at
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