Are the following sentences simple, compound or complex?
11. We drove right up to Helsinki in two days.
12. I don’t care how expensive it is.
13. Two minutes ago, the child was fast asleep, but now he is wide awake.
14. He is not tall enough to be a soldier.
15. I guess she just doesn’t respect you.
16. I have got four sisters and each of them is quite different from the others.
17. You can either come with me now or walk home.
18. He will never leave home because he hasn’t got the courage to.
19. When all else fails, read the user manual.
20. It was Sam who paid for the drinks.
Need answers asp please