题目

语法填空阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。    I'm a rock-climbing guide . Climbing the rocks and mountains in Yosemite National Park (be) my life's passion since I was 13 . More than ten years ago I started seeing a lot of waste , toilet paper , beer cans , and empty boxes , around the area . was beyond me why visitors started respecting the place less and treated such a beautiful home-like place this way . I (try) picking up trash myself , but I would spend an hour or two on the job , only    (find) the area trashed all over again weeks . I decided something had to change . I set a date for a cleanup together with some other climbers . (expect) , more than 300 people showed up . We collected about 6,000 pounds of trash over three days . It was   (amaze) how much we were able to accomplish—the park looked clean ! I often hear people complain about their surroundings . I want to say the only way to change things is by doing rather than    (complain) . We need to teach by example . We cannot blame others we start with ourselves . 答案：【1】has been【2】like/including【3】It【4】tried【5】to find【6】later【7】Unexpectedly【8】amazing【9】complaining【10】unless/until

查看本题答案和解析