"If your son or brother or husband has a problem with one of their testicles, it's important that it's properly investigated," she added. "Had he been scanned early on it would have been clearly ... "Which one is the best" is obviously a question format, so it makes sense that " which one the best is " should be the correct form.
This is very good instinct, and you could even argue that the grammar is good, but at best it's unnatural. One-to-one is used when you talk about transfer or communications. You may use one-to-one when you can identify a source and a destination. For eg., a one-to-one email is one sent from a single person to another, i.e., no ccs or bccs.
one of testicles hurts, In maths, a one-to-one mapping maps one element of a set to a unique element in a target set. One-on-one is the correct adjective in your example. See Free ... With one or more is / are, the first thing to consider is whether 'one or more' is a unit or analysable. It has the near-synonym 'some'; 'four or five' could be substituted reasonably by 'several'.
one of testicles hurts, Which is correct: "one or more is" or "one or more are"? Regarding one hundred or a hundred etc, the person saying that there is a difference is right - one is used more for precision but a is more common and employed. Which one is grammatically correct or better? I have two assignments, One of them is done. I have two assignments, One of which is done. I watched a video tutorial that the teacher said the ...
pronouns - "One of them" vs. "One of which" - English Language Learners ...