关于卵圆窝______ A．是胚胎期卵圆孔闭锁所形成 B．位于右心房的左侧壁上 C．

A: Excuse me, sir. Could you please tell me how to get to the zoo?
B: Sorry,  小题1: .I am new here.   小题2:   
A: Excuse me, could you tell me the way to the zoo?
C: Go along this street until you reach the second traffic lights,then turn left. At the end of the street, you’ll see the zoo.
A:   小题3: 
C: Yes, you can.
A:   小题4:  
C:You can take the No.6 bus.
A: Thank you very much.
C:  小题5:

A. Please ask that girl. B. Which bus shall I take? C. I don’t know. D. It’s my pleasure. E. Can I take a bus to get there?