In autumn we climb the mountains and in winter we go skiing

I can go ( ) in the mountains in winter.A ski B skiing C ski I heard they went skiing in the mountains last winter. we plan to go hiking in the mountains this sunday we often climb mountains and watch insects on the weekends We often go hiking in the mountains ,because we love to get the weather is _ that we want to go camping in the mountains we go up north.we play in the snow.winter is beautiful,but i In mountains we could ____ in the water. in autumn,the tree l（ ）turn yellow and red in the mountains. We often climb mountains and watch insects on the weekend什么意 he asked me ,Do you often go skiing in winter We will climb the mountains()()()the weather is good tomorro