【题目】文中共有10处语言错误，每句中最多两处。错误涉及一个单词的增加、删除或修改。
My classmate, Hanks, have been sick in hospital for a week. Yesterday our class
decided send him some flowers and asked me to buy the flowers. I have had a hard time get them since then. I went to town immediate after class yesterday afternoon only to found the flower shop there already closed. So I returned with nothing. I called it many times at this morning. But the line was always busy. While I finally got through at noon, a lady said she was a new hand and could not tell me the prices. Luckily, I have classes this afternoon, but I am about to go to town again. I must get the flowers for Hanks today.
在线课程【答案】
【解析】在一般现在时中，主语是第三人称单数，所以谓语动词用单数。
Decide to do sth. 是固定用法，意思是决定做某事。
发生在过去的过去，所以应该用过去完成式。
表示“让某人/某物处于做某事的状态”，所以用have sth. doing sth. 结构。
用副词修饰动词。
这里是不定式结构，所以to之后用动词原形。
“今天早晨”直接说this morning，不用at。
when可以和延续性动词连用，也可以和短暂性动词连用；而while只能和延续性动词连用。
句意：今天下午我没有课。所以have后加no。
表示并列关系，所以but改成and或是so。