1.本课课程的核心句是Are you tired? What does he want to know? He wants to know if you are tired. Why are you tried? What does he want to know? He wants to know why you are tired.
2本课课程的核心句是Are you reading? What does he want to know? He wants to know if you are reading. What are you reading? What does he want to know? He wants to know what you are reading.
3.本课课程的核心句是Does Tom always do his homework? What does he want to know? He wants to know if Tom always does his homework. When does Tom do his homework? What does he want to know? He wants to know when Tom does his homework.
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