英语求助Has it been announced when the planes are to take off求句子

英语求助Has it been announced when the planes are to take off求句子 Has it been been announced if the planes are to take off?这个句 has it been announced when the plane is to take off中为什么用when It has been announced that all the candidates___remain in th It has been announced that candidates _______... Has it been announced ——? 英语句子结构解析 1.When this occurs,the first step has been taken to 英语翻译The year is 2094 It has been announced that a comet is h It has been announced that the Joint Chiefs of Staff will me No planes were able to take off or land. At 9:00 in the even 英语12.It has been announced that _______ people should be sen The planes had been planting seed for nearly a month when it