阅读下面短文，在空格处填入一个适当的词，或者使用括号中词语的正确形式填空，并将答案填写在答卷纸标号为1—5的相应位置上。

Many people dream of going on a great trip to foreign countries. Most of us keep dreaming; others make it happen. Gregg’s dream was 【小题1】 (travel) from Alaska to Argentina—by bike. In 2005, after 【小题2】 (near) four years of planning, he set off. During the trip, Gregg cycled through deserts, rain forests and mountains. He visited modern cities and places of 【小题3】 (nature) wonders. In May, 2007—two years, 12 countries and over 30,500 km later, he finally 【小题4】 (到达) Ushuaia, Argentina, at the southern tip of South America. It was one of the best m【小题5】 in his life.