In which sentence is all CAPITALIZATION correct?

Would someone please tell him the correct answer to the question that he ……?

I’m so happy my father stopped ................ He used to smoke 40 cigarettes a day.

Which one of the underlined words or phrases is INCORRECT Tom and Adam went to play tennis at the sports club hours ago,…

The cake was sitting on the table as the group of children… ........ excitedly.

What are you doing… ....................... home?