Use only one word in each space.
'It was really quite frightening. One of the children had to walk in (20)of the car to see if there was (21)on the road ahead because visibility was so bad. We kept (22)to take diversions as roads were closed and (23)times we had the feeling that we were (24)going to get home. We were crawling terribly slowly for (25)of the time because we just couldn't see (26)was a couple
of metres ahead. The snow just kept falling and the reports (27)the radio were telling of the dangers of the weather (28)we felt we had to keep going. Luckily we had enough warm clothes and we arrived safely (29) the end. But afterwards you realise it was one of those situations that (30)have ended so differently.'