to prepare for C/S

Name    : 
E-Mail  : 
Subject : 

Comments:
: Hi everyone
what is a good source to get prepared for C/S and how long study is needed? one more thing how important is a study partner?cant you get ready by your own?I am an IMG .My english language is good I can speek well My TOEFL was 627 ,but I am not sure if I can understand local accents well enough too.What shall I do? Any other recommendations please

If you press "Preview Message," you are taken to a preview screen where your
message is shown to you before allowing you to post it.
Your message is not finalized until you click "Post Message".