Many difficulties have as a result of the overuse of coal A. risen B. arisen C.
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Many difficulties have ______ as a result of the overuse of coal
A. risen B. arisen C. raised D. arose
试题答案
B
解析:
略

Many difficulties have ______ as a result of the overuse of coal
A. risen B. arisen C. raised D. arose
B
解析:
略