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？

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？ Panic set off across the whole country.此句中,为什么不用被动语态?多多指教哦! 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? 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 across the whole country.这句话中是被动语态吗 the TV set needs ( ) 为什么用 mending 而不用 to mend 是被动语态吗 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 door has opened of itself.为什么不用被动啊, It is reported that panic on the stock market _____a ware of selling.A set about B set up C set off Dset out （Is） the set of keys yours?为什么用Is 不用Are? As has been said above,grammar is not a set of dead rules.为什么不用Which? panic on the stock makert set off （had set off）a wave of selling several days ago,应该用哪一个? many kinds of music have (been) developed,为什么不用括号中的词为什么不用被动态,音乐被发明 IN THE CITY THE OLD (ARE TAKEN GOOD CARE OF)为什么不用被动语态? 现在完成被动时Great changes have taken place in my hometown and a lot of factories have been set up.这个句子我不太明白的是为什么第一个用现在完成时have taken ,不用have been taken,巨大的变化不能自己发生的吧! every minute counts为什么不用被动 With price rising.为什么不用被动