根据短文内容判断正误，正确的在答题卡上涂A，错误的涂B。（5小题，每小题1分，共5分）

Mr. Tang asks his son, “How many letters are there in the Alphabet（字母表）?”“I don't know,”says his son. Mr. Tang says, “You don't know? You are in school for one year and you don't know how many letters are there in the Alphabet!” He says angrily.
    His son says,“No. But let me ask you a question. Dad, you often go to the post office, please tell me how many letters are there in the post office?”

(   )56. There are twenty-four letters in the Alphabet.
(   )57. Mr. Tang's son doesn't learn English well.
(   )58. Mr. Tang's son can answer his father's question.
(   )59. There are twenty-six letters in the Post office.
(   )60. Mr. Tang often goes to the post office.