跪求几个新概念第二册的英语填空题!

跪求几个新概念第二册的英语填空题!
1.I was afraid ____mentioning it ____him.
2.Don't blame him ____this;I am responsible ____what has happened.
3.He is so keen____learning ,you should encourage him ____this efforts.
4.Beware ____people who appear to be enthusiastic____your success.
5.I appealed____him for help.
6.I am sorry ____having asked him.I was shocked ____his refusal.
7.Are you interested ____opera?
8.Are you aware ____the difficulties that lie ahead ____you
9.He's entitled____a pension,but he won't dream ____retiring yet.
10.Who is going to pay ____the damage?
11.This car is inferior ___the one I bought last year.
12.I'm afraid I can't comment ___your work just yet.
13.She may pride herself ___her abilities,but she's not capable____bringing up children.
14.We are accustomed ___bad weather.
15.How can you agree ___such an idea when you are ignorant ____the basic facts?
16.He confessed ___me that he had just been converted___some strange religion.
17.If you fail ___this attempt ,don't count ____me for help.