15. ---- How did you manage to get such a valuable painting? 　---- Oh, just _______.

　 A. in person　　　 　 　　 B. by chance　　　　　　　 　 　　 C. by mistake　　　　 　　 D. in a hurry

14. No one was ever_____ watching him-his subtle acting made everything _____.

　 A. boring; entertaining　 B. bored; entertained　　　 C. bored; entertaining　 D. boring; entertaining

13. Only when the police showed her the evidence ______ that she had stolen the money.

　 A. she admitted　　　 　　 B. admitted she 　　　 　　　 C. she did admit　　　 　 D. did she admit

12. _____ is surprising is that his son is so well-behaved, while his daughter is very naughty.

　 A. It　　 　　　　　　　　 B. What　　 　　 　　 C. As　　　 　　　 　　 D. That

11. ---- Eric, as well as his friends, _______ taking the trip.

　　 ---- That’s not surprising. Not only Eric but also his friends_____ going to take the final exam.

　　 A. is against; are 　 　　B. are against; is　　 　 　 C. are for; are　　　　 D. is for; is