15．How cold_________! You’d better put on your overcoat．

　　 A．is it　　 B．he is　　 C．is the weather D．the weather is

B)从方框A-G中选出可以填入对话空白处(16-20)的最佳选项。选项中有两项为多余选项。

　　 TOURIST　 __16__How do I get to People’s Square ?

　　 DAVID Take the second turning on the left．W址to the end of the road．__17__

　　 TOURIST　 __18__

　　 DAVID Take the first turning Oil your right．__19__ You’ll see the post office

　　 across the street on you left．

　　 TOURIST　 Thanks very much．

　　 DAVID　　 __20__