Question

³____there an exam on Friday? ​

Answer 1

Ответ:

Is there an exam on Friday?

Answer 2

Ответ:

Is there an exam on Friday?

Объяснение:

using the verb to be in it's singular form, present simple tense.

references:

https://learnenglish.britishcouncil.org/english-grammar-reference/the-verb-be

http://guidetogrammar.org/grammar/to_be.htm