—When is the plane to Shanghai going to take off?

—When is the plane to Shanghai going to take off? has it been announced when the plane is to take off中为什么用when The plane is going to take off in three hours.保持原意 The plane to LA going to take off.Please ( )the plane quickl The plane is going to leave Tianjin ____ Shanghai. The plane is going to leave Shanghai this afternoon.疑问句 —The plane is due to take off at 7:50 from the airport. 将下面两句话改成一个名词性从句 When is the plane to take off?we The plane is ______(应该) to take off in an hour When ___ the plane ___(fly) to Beijing from shanghai The plane is______ to take off at 4. what is mary going to take to shanghai是什么意思