Why does recording a quiz take so long? Why can't you copy and paste whole tests rather than 1 question each time?
I was sorry to see that you never received an answer to the question that posted in mid-August until now. My guess is that your question was missed during the northern hemisphere fall start. Sorry about that.
The answer to your question is that there are several other options for adding questions besides creating them manually and one at a time. If you are copying and pasting then it sounds like your content must already exist in one electronic format or another. This question was similar and has two suggested techniques. You can learn more about QTI packages here and quizzes more generally here.
Retrieving data ...