Conrad,
if the quiz is for fun only, forget what I write now, if it is thought as a serious test of knowledge, revise it.
You've made a well known error in the construction of multiple choice tests which makes it easy for anyone without any knowledge to guess the correct response. Much more often than can be expected from chance alone, the longest response is the correct one.

Here are my results in the first three lessons (thinking about the responses and using knowledge):
6 7 7

And here are my results in the last three lessons when I even did try not to look at the questions and choose the longest response each single time (in some cases, when I couldn't help looking even against my better judgement): 7 5 8

If it is possible to be about as good as Alison in a test on Ireland following a stategy that makes no use of semantic knowledge, something in the test construction is seriously wrong.

But as I said, if it is only fun, forget my critique.

Wolfgang