Passengers will feel much safer on board a train than on a p

Passengers will feel much safer on board a train than on a p With the plane ________，some passengers on board feel sick a 一道英语单选题It's really a wonder that all the passengers on board 英语阅读理解,急Today,air travel is far safer than driving a car on on 还有on the board,on a notice board on the board,on board, on a board ,ob board的区别大神们帮帮忙 The 42 passengers the train could carry were waited on by a 小题1:As Polly _______ the passengers on the train, she had a We're safer in a train than we should be if we （travelled）an in a train 还是 on a train she will have a p on october Two little boats without any sails.With passengers on board.