The answer would be b grain of the fabric is like grain of the wood. if you look at a plank of wood you see the lines going up and down it same thing really
Cats make good house pets. It's the main idea in the sentence, and it's independent also. The other clause is dependent, so it is not the main clause.
I think its C. I'm not to sure
Someone who guides tours, is in charge of the specific position at all times