听第一段对话,a. what an b. what a c. how a d. howa. of,完成13-15小题, for选择正确的选项,a. because she is busy preparing for her math exam.11. what is the woman’s son doing now?12. what do we know about the woman’s son?a. take b. to take c. taking d. took九年级英语上册期中检测试卷及答案,