Directions: You were unable to attend Mr. Smith's examination on International Business English Writing because you got sick that morning. Write a letter to express the reasons for not being able to attend it and apologize. Write the letter with no less than 100 words. Do not sign your own name at end of the letter. Use "Wang Hua" instead. Do not write the address. 有一天上午你生病了,所以没能参加史密斯先生的国际商务英语写作考试。写一封信表达不能参加会议的原因并道歉。写不少于100个单词的信。不要在信的结尾签上你自己的名字。用“”代替。不要写地址。