Choose between its and it's

Choose whether each sentence should be completed using its or it's. (a)   the last day of our holidays, so I’m quite sad.

Choose whether each sentence should be completed using its or it's. Denise can’t believe that (a)   not a real rabbit.

Choose whether each sentence should be completed using its or it's. The elephant was on (a)   way to the watering hole.

Choose whether each sentence should be completed using its or it's. Regarding sports day, (a)   still up in the air whether I’ll go or not.

Choose whether each sentence should be completed using its or it's. The harsh weather was taking (a)   toll on the skier.

Choose whether each sentence should be completed using its or it's. You will find the key is already in (a)   lock.

Choose whether each sentence should be completed using its or it's. Excitement started to overcome nervousness and soon took (a)   place.

Choose whether each sentence should be completed using its or it's. Cindy thinks (a)   pretty when the birch tree loses its leaves in autumn.