阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Great Ocean Road, a 243-kilometer stretch of road along the southeastern coast of Australia, is well-known for its beautiful coastal views,   【小题1】 was all I knew about it before I visited it in person. But to my surprise, not only was the ocean view 【小题2】 (extreme) attractive, but the forest and mountains on the other side of the road were also very 【小题3】 (impress).

My family went to Great Otway National Park along the Great Ocean Road on a hot morning. Despite the weather, it was cool in the rainforest, thanks 【小题4】 the fine mist from the various waterfalls. We visited 【小题5】 most popular waterfall in the area called Erskine Falls. The view of the waterfall could 【小题6】 (see) from two lookouts. Although the lower one was hundreds of 【小题7】 (step) down from the higher one, it was so rewarding to view the pouring water.

The national park also offered many unique ways for visitors 【小题8】 (explore) the rainforest. We chose the treetop walk. As we walked, the beauty of the region's flora and fauna (动植物群) unfolded in front of us, but from an angle that I never thought would be possible. Without needing to stretch 【小题9】 (we) necks upward, we just looked around like birds 【小题10】 (stand) on a tree branch!