急if a trian entered this tunnle ,it would draw in fresh air behind it.为什么用entered?

急if a trian entered this tunnle ,it would draw in fresh air behind it.为什么用entered? young man, if you hurrry up, i think ___quite ____ that you will catch the next trian.a/that;probably b/this/certainly c/it;likely d/you;nearly这是考什么呢?选毛为毛? His son had entered the university _____he came back to China.A afterB if C becauseD before选哪一个 if a train entered this tunnel,it would draw in fresh air behind it.这里为什么加behind 有没有人会编程的帮我编写一个简单的程序If the mark entered is between 90 and 100,grade “A” will be displayed;If the mark entered is between 80 and 89,grade B will be displayed;If the mark entered is between 70 and 79,grade C wil the noise ____(sound) like a trian.填sound还是sounds? One morning Mr.and Mrs.brown go shopping in their< 1 > .a.busb.carc.trian On the trian,he looks ( )the window.A.out of B .through Mr Green usually takes a trian to his home.(同义句)就着一道题,.. challenges trian a person for another challenge and another person 有什么特殊的含义么? We are goingon a trip to Shijiazhuang by train对by trian提问 If a train_this tunnel,it would draw in fresh air behind it.A.would enter B.entered C.will enter D.enters the door opened and------a middle-aged man in a blue coat A entered B there entered C in entered have you ever entered a competition He entered into politic as a hobby. 英语翻译the door opened and ————a man in a blue coat a entered b there entered c in entered d entered then 1：by与take的用法区别 原因2：take a trian 与 take the train的区别 the trian _ sje was traveling was late.A WHICH B WHERE C ON WHICH D IN THAT