I got them all correct too but didn’t time myself. I agree with @vera-t – easier than the polynomials!
I think we all probably used our vocab knowledge but I suppose you could guess and still get a reasonable score. Using collocates as a next step would take away the guesswork and hopefully lead to a more informed answer.
I love a drag and drop – and a star! I’m actually a very bad student….I hate getting things wrong 
