Manydifficultieshave的精选

问题详情：Manydifficultieshave        asaresultofthechangeovertoanewtypeoffuel.  A.risen        B.raised       C.arisen         D.arrived【回答】C知识点：动词题型：选择题...

问题详情：Manydifficultieshave________asaresultofthechangeovertoanewtypeoffuel.A.risen                              B.raisedC.arisen                    ...