Oh, I am very glad to hear that ,I am a freshman too!
I will take the CET4 in the coming june! Though I am very confient in myself ,but I still want to be better! So I practise as many an I could,I saw your article very interesting ,then I put some nonsenses on your sheet! Just so ,there is no particular reasons!Do you mind my words on your sheet ?If so ,I'll be very sad!(just a joke)