33. Вставьте пропущенное слово 1) of2) at3) by4) on The man on the trail It was a cold grey day when the man walked into the mainYukontrail. He climbed the snow-covered river bank where a trail went through the pine forest. It was a high bank, and the man paused to breathe at the top and30 _______at the sky. It was nine oclock in the morning. There was no sun or even the promise of sunshine,31 _______there was not a cloud in the sky. It was a clear day, but the sun was absent from the sky. This fact did not worry the man because he could hardly32 _______a day when he had seen the sun. The man had come a long way alone, and he was really proud33 _______himself. The old man from the village warned him how cold it sometimes got in this country. He said that no man should travel alone in this season. Despite all the problems on the way, the man34 _______to save himself. TheYukon Riverwas hidden under three feet of ice with as many feet of snow on top. It was all pure white. North and south, as far as the eye could see, it was white. There was only a thin dark line that curved to the south. This dark line was the trailthe main trail. It led south500 milesto theChilcootPass.It led north75 milesto Dawson and still farther on to the north a thousand miles more. However, all thisthe distant trail, no sun in the sky, and the great coldhad no35 _______on the man. It was not because he was long36 _______with it. On the contrary, he was a newcomer in the land, and this was his first winter.