Я совершенно не понимаю где ошибки...

     
1. _c)both Alien control 3 and Drive hard can be played with another player
2. _ f)neither drive hard nor virtual history is very addictive
3._ e)most of the experts recommend alien control 3
4. drive hard didn't get _ b)any votes from the magazine's experts
5. _g)none of the experts recommend virtual history
6. _h)some of the experts recommend the shams at school
7. the best game to buy is _d)either alien control 3 or virtual history
8. how many of the games offer 100 percent value for money? _a)all  of them.

1 A: It's a pity the lake wasn't frozen yesterday.
B: Yes, it is. If it b) was frozen, we could have gone skating.

2 A: Haven't you got enough money for a holiday?
B: Oh yes. I've got some saved up b) in case I suddenly need it.

3 A: What are you going to do next year?
B: I wish I a) knew the answer to that question.

4 A: These figures are too complicated to work out in your head.
B: Yes, if b) only we had a calculator.

5 A: What are you doing later this afternoon?
B: Oh, b) in case the game finishes, I'll go home, I expect.

6 A: Do you think I should take the job?
B: You shouldn't do anything c) unless you think it's the right thing to do.