I think you don't need 'to' just in depth.
Diagnose issues in depth.
The correct phrase is "issues that are questionable to us." This construction indicates that the issues raise doubts or concerns for us as individuals or a group. The phrase "questionable on us" is not standard and may lead to confusion.
It is not correct, you have to say on the beach.
Is it correct to say no one cares?
Yes. It is correct to say an abode.
it correct to say
Yes, it is correct to say you are 'family-orientated'. It is also correct to say you are 'family-oriented'.
No. The sensitivity is more on psychological issues. You might want to reconsider the structure of the sentence. How about: They (exchange "They" for whoever places the sensitivity) place more sensitivity on the psychological issues. Remember to delete the part between the (parentheses).
Do you mean, "How can you say that this story is correct?" The answer is, "This story is correct."
Yes, that is correct. It is also correct to say the licenses have expired.
No, it is not correct.It is correct to say "back home"
No. Say both... and.
In conjunction with