a letter with red envelope 23. Acock and bull story (a) A story of a cock and bull (b) cock and bull fighting (c) foolish unbelievable story 24. At the eleventh hour (a) At the eleven o' clock (b) After eleven (c) At the last minute (d) Before eleven o' clock 25. Behind one's clock (a) At the back of one person (b) Sitting at one's back (c) At last minute (d) Standing at the back of someone 1a. Words with similar meaning are known ms

It seems like you're looking for definitions or explanations of idiomatic expressions and possibly synonyms. Let's break down the phrases you've provided: ### 23. Acock and bull story - **Meaning**: A foolish or unbelievable story. - **Options**: - (a) A story of a cock and bull - This is a literal interpretation and not the idiomatic meaning. - (b) Cock and bull fighting - This is unrelated to the idiom. - (c) Foolish unbelievable story - This is the correct interpretation. ### 24. At the eleventh hour - **Meaning**: At the last minute. - **Options**: - (a) At the eleven o'clock - This is a literal interpretation and not the idiomatic meaning. - (b) After eleven - This is incorrect. - (c) At the last minute - This is the correct interpretation. - (d) Before eleven o'clock - This is incorrect. ### 25. Behind one's clock - **Meaning**: This phrase is less common, but it could imply being at the last minute or being in a position of support. - **Options**: - (a) At the back of one person - This is a literal interpretation. - (b) Sitting at one's back - This is also a literal interpretation. - (c) At last minute - This could be a possible interpretation depending on context. - (d) Standing at the back of someone - This is a literal interpretation. ### 1a. Words with similar meaning are known as - **Answer**: Synonyms. If you need further clarification or additional information on any of these phrases, feel free to ask!