Вставить:an,in,by,of
He's traveling ... the 8 o'clock train
She is afraid of traveling .... plane
Do not lean out....the window
Walk....the pavement
He's traveling on the 8 o'clock train
She is afraid of traveling by plane
Do not lean out of the window
Walk in the pavement
He,s traveling on the 8 o,clock train. She is afraid of traveling by plane. Do not lean out of the window.Walk in the pavement.