Put in a/an or the in these sentences where necessary. write down the articles with small letters in one line, separated by a comma. don't put the full stop after the last article.
example: a, a, an, an, the, the
1. would you like apple?
2. how often do you go to dentist?
3. could you close door, please?
4. i'm sorry. i didn't mean to do that. it was mistake
5. excuse me, where is bus station, please?
6. i've got problem. can you help me?
an, the, the, a, the, a