改正下面短文中的错误。对标有题号的每一行作出判断：如无错误，在答题卡该行右边横线上画一个勾（√），请在有错误的地方增加、删除或修改某个单词。
注意：1.每处错误及其修改均仅限一词；
2.原行没有错的不要改。
One day, did not feeling well, Mr. Smith went to the hospital  1.____________
to have him examined. When he was given the test report,      2.____________
he was greatly shocked. “Am I dying?” He immediately            3.____________
was felt very ill. Filled with sadness, he went back home,        4.____________
taking a lot of pills and even wrote his will. “Maybe                5.____________
a doctor made a mistake”, Mr. Smith thought and                     6.____________
went to the hospital to have more examination. To his              7.____________
great joy, the doctor really made a mistake but he didn’t         8.____________
have cancer in all! Again, the whole world seemed beautiful.    9.____________
Mr. Smith went out for his favourite sport happily rather sadly. 10.___________