The train was traveling _____ forty kilometersan hour.(介词at or for)

little tom was too____(young)to travel by train alone. The train ______she was travelling was late.A.which B.on which C.of which D.in that我不能理解,为什么解题时又要扯上 travel on the train 意思好像不搭啊~ By train is the safest way to travel 对划线部分提问By train划线部分 She was travelling on the train. When the train was starting是什么意思 She hated__(travel)by train. Excuse me,can you tell me A.why was the train lateB.why the train was lateC.why is the train lateD.why the train is late travelTo enjoy the scene,I would rather that we _____ by train instead of by air next month.A.travel B.will travel C.traveled D.would travel Taking a train is the (cheap )way to travel要怎么写 what is the expensive way to travel,by plane,by train or by car Which is the _______(interesting)way to travel,by car or by train?适当形式填空 It took about two hours _____(travel) to the park by train During the weekend I traveled by air for the first time in my life.I usually travel by train or bus.It is b___ cheaper and safer.But this was a short journey.At the b___ I did not feel very happy.The trip was very e____.I was soon high usually in the 翻译： the train was the greatest one among them Our journey/travel from London to Istanbul by train was very tiring.请问为什么只能用journey而能用travel呢?这题是涉及单复数的问题哦 检查句子（英文）I stayed at home for whole holiday.I decide to travel to Beijing in this holiday.Many people tell me the sea is very beautiful.I wanted to sea the sea when I was very small.I decide to travel there by train,because it is cheap 翻译：The train was packed with thousands of people. When he was on the train.为什么要用on