1．What are the speakers doing?
A．Having dinner． B．Having a class． C．Reading．
2．What do we learn from the conversation?
A. The train is crowded． B. The train is late． C．The train is on time．
3．How does the woman suggest the man prepare for Professor Yang's lesson?
A. Review the details of all her lessons．
B. Focus on the main points of her lectures.
C．Talk with her about his learning problems．
