15．Have you heard that Mr. Smith bought a new mobile phone the other day?

-__________? That’s his second one in just one week.

A. Had he　　　　 B. Did he　　　　　　　 C. Does he　　　　 　　 D. Has he

14．-Can I get the house cheaper?

- Sorry, it’s ______ my power to sell it any cheaper.

A. without　　　　 B. except　　　　 　　 C. beyond　　 　 　　D. out

13．Mary, _____ here - everybody else, stay where you are.

A. come　 　　　　　　 　B. comes　　 　　　　 C. to come　 　　　　 D. coming