Question 061
### Which of the following are default environment variables in GitHub Actions? (Select three.)
> https://docs.github.com/en/actions/reference/environment-variables#default-environment-variables
- [x] `GITHUB_REPOSITORY`
- [x] `GITHUB_WORKFLOW`
- [x] `GITHUB_ACTOR`
- [ ] `GITHUB_USER`
- [ ] `GITHUB_ORGANIZATION`
- [ ] `GITHUB_TOKEN`