Answers to the Baby boomer era test

Yes, I know, I should have put the answers at the END of the test, but....
1. D
2. G
3. B
4. A
5. G
6. D
7. C
8. F
9. C
10.E
11.D
12.C
13.G
14.G
15.B
16.G
17.D
18.B
19.A
20.F
So, how many did you get right?