Answer Key
Exercise
You have already visited this section on 2015-02-23 at 5:35.
Fill in a or an...
- [a] happy girl
- [an] H-bomb
- [an] unidentified flying object
- [an] honorable man
- [an] elephant
- [a] unit of work
- [a] eucalyptus tree
- [a] UNESCO worker
- [an] unreasonable decision
- [a] universal problem