Write what you could and couldn’t do when you were five years old.

Example. I could swim.
I couldn’t play volleyball.

hide and SEEK not sick

неправильно

I could run.I couldn't fly.I could play with toys.I couldn't play computer games.

I could draw cars. I couldn't read poems. I could play with my toys. I couldn't solve my problem. I could play in hide-and-sick.

Опечатка в последнем предложении: НАДО: I could play in hide-and-seek.

Правильно: I could play hide-and-seek.(без предлога)