It rainde heavily yesterday,But I had to go to school._3_I had my breakfast ,and got on my bike ,

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B
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DWhen I Stood up,I __7__ there was something wrong __8_my bike. 7,a,found b,looked at c,feel d,found out 8 a,with b,on c,to d,inI __9_ride it. 9,a,would b,must c,couldn't d,would likeI had __10_to do but walk to school.Luckily,I wasn't late for school.10a,everything b,nothing c,anyhing d,something能解释一下是什么意思吗？AACB解释？？是翻译么？？是的，谢谢,如果有特殊的讲解一下昨天下了很大的雨，但是我必须去上学。匆匆吃过早餐，我骑上了自行车。路很滑，骑了没一会儿我就从车上摔了下来，差点没伤着自己。当我站起来，我发现我的自行车坏了，我不能再骑它了，所以我不得不步行去学校，幸运的是我没有迟到。I had nothing to do but walk to school. 为什么用nothinghave nothing to do 是一个短语搭配无事可做毫无关联没有办法的意思