Panic set off all of the country 里的 set off 不是激起的意思吗》、?应该用被动语态啊 这是怎么回事呢

Panic set off all of the country 里的 set off 不是激起的意思吗》、?应该用被动语态啊 这是怎么回事呢 panic on the stock makert set off （had set off）a wave of selling several days ago,应该用哪一个? It is reported that panic on the stock market _____a ware of selling.A set about B set up C set off Dset out 为什么不用被动 Panic set off across the whole country.set off是主动表被动吗？字典里有下面的句子：Panic on the stock market set off a wave of selling.在这个句子里set off就直接跟宾语了呀？ The panic set off __ country at last.正确答案是C,为什么B不可以?A.the allB.all theC.the whole D.whole the panic set off the whole city before people realized it was a hoax set off用的对吗 panic set off across the whole country.这句话中是被动语态吗 The panic set off across the whole country为什么不用though panic set off across the whole country谓语动词为什么不用第三人称单数形式? 选择题 All of them wondered when-------- A. they can set off B. can they set off C.to set off答案 给的是C，when to set off。谁能给我解释一下 英语高手进关于set offPanic set off across the whole country我认为应该是Panic is set off across the whole country应该用被动语态啊 The bad news__ a panic last monthA：set up B:setted up C:sets off D:set off 请说明理由 A：set up B:setted up C:sets off D:set off 请说明理由 Panic set off across the whole country.此句中,为什么不用被动语态?多多指教哦! Panic on the stock market sets off a wave of selling several days ago.啥意思 set a good example to all of us中的set set out,set up,set off,set set out,set up,set off,set 初三的一个英语句子,Wells was so convincing that hunreds of people believed the story ,and panic set off across the whole country.就是这句话的分析,分析的好的,我会根据情况再追加固定的财富值的!