Go over some last minute things but more importantly, GET SOME SLEEP. Sleep is highly underrated but is a MUST before taking a test.
At this point, there isn't must you can improve but as long as you go in there well rested and with a good attitudeā¦
Sure!? But I also feel like reading and dissecting philosophy as well as articles can also be helpful if increasing your English level is your only goal. But you are free to come suffer with us lol