Question

we usually have ____ dinner at eight​

Answer 1

No article will be used to fill in the above blank.

Articles in English language

• In English linguistics,  article 'the' is used for specific things. It is termed as the definite article.
• Article 'a' is used for non- specified thing which do not begin with a vowel sound.
• Article 'an' is used for non- specified things which begin with a vowel sound.
• We do not use any article for sentences that refer to things in general.

The question is not complete. The complete question is:

Fill in the blanks with suitable article:

We usually have ____ dinner at eight​.