Select the most appropriate word to fill in the blank.

There is an ______ in the advertising company for a copy writer.

opening

The most appropriate word to fill in the blank is opening.

The word opening means a vacancy or a chance to do something. In this case, the sentence is saying that there is an opening in the advertising company for a copy writer. This means that there is a vacancy for a copy writer in the advertising company.

The other options are not correct.

• Occasion means a time or circumstance that is favorable or appropriate for something. It cannot be used in this sentence because it does not describe a vacancy or a chance to do something.
• Incidence means the occurrence of something, especially something that happens rarely or unexpectedly. It cannot be used in this sentence because it does not describe a vacancy or a chance to do something.
• Instance means a specific example or occurrence of something. It can be used in this sentence, but it would mean that there is a specific example of a vacancy for a copy writer in the advertising company.