Explanation:
I think the question is wrong. Sorry if I am wrong!
But It should have been "You cannot get a refund ________ sale goods."
In this case the answer should have been ON.
Anyway the answer is ON.
Suppose
Here's a link to help you further
http://writingexplained.org/suppose-vs-supposed-difference
For occupational exposure, the limit is 50 mSv in a single year with a maximum of 100 in a consecutive five-year period, and for the public to an average of 1 mSv (0.001millisievert ) of effective dose per year, not including medical and occupational exposures. japan aloso has one of the one disaster radiation active matiorals are sill there be
If you want to make a past emphatic tense, you need to use the verb DID + the present form of that particular verb. Assuming that the verb you need is TELL, the correct answer here would be did tell.
We did tell you how to find our house.