The link below is about discourse markers. I have been trying it to expand my huuuuuuuuge knowledge of connectors. I said to myself it was soooo easy.
Ok, I got a 3 out of 10. I should have paid attention.
Would you like to do it? I am sure you will get more marks than me!
http://www.imparareinglese.co.uk/esercizi_inglese/discourse_markers.html