My computer needs a new operating system.

I like using open source software.

She giggled as she remembered something funny.

There are many large kusu trees in this park.

I ate couscous for the first time.

I ate cuscus for the first time.

I will participate in the tennis open next week.

This restaurant is open 24 hours.

I open the window every morning.

The opening of the new restaurant is next week.