聽下列五段對話和對話后的問題,選擇正確答案。
( )1．
A．About 10 feet．
B．About 20 feet．
C．About 30 feet．
( )2．
A．Visit the Great Wall．
B．Visit some old men．
C．Visit a museum．
( )3．
A．Friday．
B．Saturday．
C．Sunday．
( )4．
A．No Photos!
B．No Fishing!
C．No Smoking!
( )5．
A．To have to a talk．
B．To visit some friends．
C．To visit the museum．
