题目

11. The reason why he failed is ______ he was too careless. 12. I have found the very shop ______ has everything we need. 13. Although you are green, don’t worry. ______ you get older, you’ll get more experienced. 14. We will never give in ______ they do or say about our plan. 15. This is the girl ______ English is the best in our class. 16. You were very impolite to him, ______ you should apologize to him for. 17. The fact ______ she works hard is well known to us all. 18. ______ you don’t like him is none of my business. 19. ______ was reported in the paper, no people died in the a如图，A、O、B 三点在一条直线上，OM 是∠AOC 的平分线，ON 是∠BOC 的平分线．若∠1：∠2=1：2，则∠1=______°．