when the plane take off ,you（ ）use your mobile phone

could you please tell me when the plane -------(take off) Do you know _____?A.when the plane takes offB.when does the plane take offC.when will the plane take off Do you know when the plane takes off?为什么不用将来时when the plane will take off has it been announced when the plane is to take off中为什么用when we must pay attention to the _____(safe)when we take the plane 英语翻译When the plane's tail rises.push 2 to lift the nose and take off take plane和take the plane有什么区别? take a plane,take the plane的区别如题 天下着大雨英语翻译.It -----------（天下着大雨）-hard when the plane take off when the plane take off ,you（ ）use your mobile phone Miss Liu wonders when the plane will take off.同义句 i'like to see you off at the airport . Could you tell me ___ ? A when your plane will take offB when your plane took off We haven’t decided ____ we will go there for a picnic tomorrow.A.where B.why C.when D.whether.Do you know ____?A.what time will the plane take offB.what time would the plane take offC.what time the plane will take offD.the plane will take off at wh take the plane 意思是啥意思? When the plane is to take off has not been announced 飞机何时起飞还没有宣布飞机何时起飞还没有:When the plane is to take off has not 为什么这边需要用过去分词加announced 这是什么形式.? 去弄清楚飞机将在几点钟起飞Please go and __ __ when the plane will take off we____ use mobile phone when the plane take offA.may not B.shouldn't C.needn't D.mustn't take the plane to Beijing 乘飞机用take the plane 还是用 fly the plane?还是两种都对?