"Rue the day" means to regret or feel sorrow for something that happened. Example sentence: He will rue the day he decided to betray his friends.
Sure, I can use "so" at the beginning of a sentence.
There is no such number as fith-teen, so I regret I cannot answer your question. There is no such number as fith-teen, so I regret I cannot answer your question. There is no such number as fith-teen, so I regret I cannot answer your question. There is no such number as fith-teen, so I regret I cannot answer your question.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
'Bisters' is not a word, so I can't use it in a proper sentence.
"Can you use cruel in a sentence?" is a sentence, so yes, unless you mean something else?
The assassin hid amongst the reeds waiting for his chance at the passing carriage. The musical instrument was becoming more and more expensive; he'd gone through so many reeds that he was beginning to regret buying the instrument.
The core word is 'rue', or to regret. So ruthless is without regret, and rueful or ruefully is with regret.
Sentence: The cost of living in 2008 for France was so and so...
I think you just used 'highland' in a sentence.. So did I.
You are so impressionable.
You are so fickle!