it is the only planet whose surface can be seen （）earth.用on和form有什么区别?这句话什么意思?

It is the only It is the only. it is the only neet thing to Not very special,it is the only. Not very special it is the only It is only the fairy tale. [ ]is the cat?-----It's only one. is it only the jacket or pants light在traffic is light中的意思有这么一句话：After your plane arrives,if the traffic is light,it'll only take fifteen minutes to get to the hospital from the airport by taxi.是不是畅通的意思? A graph is embeddable in a plane,if and only if it is embeddable on a sphere. what is the plane?tyr look the plane is so() 英语首字母填空,The Wangs are talking about their h___ plan.They are g ___there by plane.It is more expensive to go by plane t___by plane. 英语智力问答A plane left Beijing for Guangzhou.The whole flight takes four hours .The plane left Beijing at10:00.Shanghai lie in the middle of the two cities.Now it is 12:00.Where is the plane now? 译Hurry up.it is time that we got on boar(the plane)谢 The w() plane is hers.It's not mine括号里应填什么 has it been announced when the plane is to take off中为什么用when The plane takes off at 7:00,____ it?A.does notB.didC.isD.is not