20. Около черепах.., около чаш.., око- ло церкв.., около цел.., без исповед.., от га- лактик.., от галк.., о гагарк.., от галочк.., на клуб.., о ладон.., до зяб.., до иволг.., иголк.., до кашк.., о поговорк.., в доклад...

Analysis of the text:

The provided text appears to be a list of phrases, likely from a Russian language or literature exercise. It uses the preposition 'около' (around/about) and 'от' (from), and 'до' (to/until) followed by nouns in various grammatical cases, often ending with ellipses (...), suggesting incompleteness or a list format.

Possible interpretation and task:

Without further context or a specific question, it's impossible to provide a definitive answer. However, this format is common in language exercises such as:

• Vocabulary drills: Practicing the use of prepositions and noun cases.
• Phonetic transcription or analysis: The ellipses might indicate pauses or specific phonetic structures.
• Literary analysis: If this is from a literary work, it could be part of a descriptive passage or dialogue.

If you can provide a specific question related to this text (e.g., "What grammatical case is used here?", "What is the meaning of the word 'иволг'?", or "Categorize these phrases"), I can provide a more precise answer.

Since no specific question is asked, I am unable to provide a JSON answer. Please provide a question.