1. It/ be/ terrible winter, and that morning I/ have/ travel/ another city.

$-$ It was a terrible winter, and that morning I had to travel to another city.

2. I/ be going/ attend / lecture there, but when I/ arrive / railway station / I tell / train/ cancel.

$-$ I was going to attend a lecture there, but when I arrived at the railway station, I was told that the train was cancelled.

3. It/ snow/ during the night and/ lines blocked.

$-$ It was snow during the night and the lines blocked.

4. Therefore, I have/ go/ home/ get/ car.

$-$ Therefore, I have to go home to get my car.

--------------------

$@haanx2$