Mr.Johnson is a hardworking teacher. Every day, he spends too much time with his work. With little sleep and hardly any break, so he works from morning till night. Hard work have made him very ill.“He has ruined his healthy. We are worried about him.” That is which other teachers say. Yesterday afternoon. I paid visit to Mr. Johnson. I was eager to see him, but outside her room I stopped.I had to calm myself down. Quietly I step into the room. I saw him lying in bed, looking at some of the picture we had taken together. I understood that he missed us just as many as we missed him.with→on
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(答案→)with→on
解析：本文讲述了作者去看望辛勤工作劳累过度而病倒的老师时，看到老师在病床上看着我们照片，明白了老师和学生思念老师一样在思念学生们。
【小题1】with 改成 on 固定短语：spend …..on ……把。。。。花费在。。。。。
【小题2】把so去掉，因为without短语做的是伴随状语，后面该跟简单句所以不需要有连词so
【小题3】把have改成has，考查主谓一致，句子主语是hard work，是单数，所以谓语动词应用单数形式。
【小题4】health改成healthy，因为前面是物主代词his，应该修饰名词，而healthy是形容词，所以改成healthy。
【小题5】which改成what ，这是一个表语从句，which：哪一个不合适，改成what，是what引导表语从句，what在从句中做主语，意为：。。。的话，所以改成what。
【小题6】pay和visit 之间加 a 固定短语：pay a visit to 拜访。。。。
【小题7】his改成her 本句应该是在约翰逊老师的房间外面，约翰逊，男名，所以改成his。考查人称代词。
【小题8】step改成stepped 考查时态，前面有时间状语yesterday afternoon 所以改为stepped。
【小题9】pictures改成pictures，考查名词的单复数。some of the + 复数名词，所以改为pictures。
【小题10】many改成much 固定短语 as much as 和…同样地，修饰动词表程度。