Has it been warned that all the children in this area_____stay at their homes until the Bird Flu has been controlled?A.canB.will C.mayD.shall

Has it been warned that all the children in this area_____stay at their homes until the Bird Flu has been controlled?A.canB.will C.mayD.shall The public has been warned of the danger of pollution. 解释这句话The public has been warned of the danger of pollution. Everything has been finished ,hasnt it .后面的附加疑问句为什么是hasnt it. 高中英语倒装句1He should have been warned of the danger. ---______, but he wouldn't listen to me.A. So he was B. So he has 为什么选A had been warned与have warned有什么区别 it has been since.用法 It has been in my it is/has been= It's has been accepted it has long been assumed She ___this book all the week,but she ___reading it yetA.has read;didn't finish B.has been reading ;didn't finish C.has been reading;hasn't finished D.has read;hasn't finished It ___for a week,and now it hasn't stopped yet.A、has rainedB、has been rainingC、rainedD、had been raining 谢谢拉请说明原因，谢谢 I don't think that the meeting has been put off,_________?A.do I B.dose it C.hasn't it D.has it I can’t find my watch, it has been stolen. 是什么意思 she won‘t believe it until she____A.has been told B.will be told my new pen has ------.I can`t find it. A. gone B.been away C.been lost D. flown It's the second time that Jack has been late,--?A.hasn't he B.isn't he C.isn't it D.hasn't it为什么呢?