The teacher explained a second time, the students should have difficulty in doing the experiment. A．...
2022-12-16 07:55:50 59次 2014届北京市高二下学期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The teacher explained a second time, the
students should have difficulty in doing the experiment.
A．although B．in case C．so that D．but
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