With lots of problems ________ in the class, our teacher looks very relaxed and happy. A. solved B. ...
2022-11-02 10:15:01 170次 2014-2015学年陕西西工大附中高三下模拟考一英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
With lots of problems ________ in the class, our teacher looks very relaxed and happy.
A. solved B. solve
C. being solved D. to solve
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