Употребите глаголы в форме present perfect (present perfect continuous) или past indefinite. how long (you/to stay) here? how long (you/to stay) there? i (to read) this book three or four times. i like it very much. (you/ to sleep) well? - oh, yes, thanks. i (to have) a wonderful dream. why (you/to take) the pill? do you have a headache?

How long have you been staying here?
How long did you stay there?
I have read this book three or four times. I like it very much.
Did you sleep well? - oh, yes, thanks. I had a wonderful dream.
Why have you taken the pill? Do you have a headache?