Вопрос по английскому языку:

Помогите пожалуйста!!!!
1)Here is a pictire of the place///we spent our last holiday.
A-who B-whose C-where
2)Goldfish are not.....intelligent as dog.
A-less B-more C-as
3)Australia is the....continent in the world.
A-smallest B-smaller C-small
4)You can not watch TV....you finish your homework.
A-if not B-if C-unless
5)Neil is very tall but Gregory is...taller.
A-more B-even C-as
6)Travelling by car is.....expensive than travelling by piane
A-most B-much C-less