从a、b、c、三个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 听第一段对话，回答1～2题. 1. for whom did the man buy the t-shirt? a. himself b. his father c. the woman 2. what’s the relationship(关系) between the two speakers? a. mother and son b. customer and shop assistant c. brother and sister 听第二段对话，回答3～4题. 3. when did man begin to sleep? a. 2:00 am b. 3:00 am c. 4:00 am 4. who called the man this morning? a. a stranger b. his mother c. his friend 听第三段对话，回答5～6题. 5. what does the man probably do?
