Many difficulties have ______ as a result of the changeover to a new type of fuel. A．risen B．arisen ...
2022-12-16 06:33:50 169次 2014届四川成都外国语学校高二下期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Many difficulties have ______ as a result of the
changeover to a new type of fuel.
A．risen B．arisen C．raised D．arose
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