根据语篇内容，用方框中所给词的正确形式天空，使短文通顺连贯,并将答案填在横线处相应位置。方框中有两个词为多余项。

    Dear friends, do you like travelling? Welcome to Xining. And please

have ato the Qinghai Lake. The Qinghai Lake is not very far awayXining City. It is a great lake in China. Every year lots ofcome here for its natural(自然的) beauty-mountains, blue water and green grassland(草原).you want to come, please come in summer. It's the best time to visit this place. The weather isand there are lots of cows andon the green grassland. You can watch beautifuland different birds. You can alsoa horse on Haixin Mountain,birds on Niaodao and so on. You will love this beautiful place.