What has to be broken before you can use it? What question can you never answer yes to?
There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?

1: an egg

2: are you feeling better?

3: yellow?

What has to be broken before you can use it?

An egg

What question can you never answer yes to?

Are you dead or are you asleep

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?

It's a one-story house, it doesn't have stairs

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)