题目内容
听下面一段长对话,回答1-2小题。
1. Who are the speakers?
A. Mother and son.
B. Teacher and student.
C. Doctor and patient.
B. Teacher and student.
C. Doctor and patient.
2. How long should the boy spend taking exercise every week?
A. Twenty minutes.
B. Forty minutes.
C. An hour.
B. Forty minutes.
C. An hour.
1-2 BC
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