一道英语选择You should go over your test paper before you hand it

一道英语选择You should go over your test paper before you hand it You should go over your test paper（ ） you hand it in.Abefore Before you hand you in your test paper,you'd better (c ) it You should c____your answers before you hand in your paper. You should c_________your paper before you hand it in. please c ____ your paper before you hand it in ( )your paper carefully before you hand it in.填空 Do not( )so So many mistakes in your test paper.YOU should do it as--- a You should ___________ your exam paper carefully before you You should c________your homework before you hand in it Before your hand in the homework,you should c( )it carefully It's high time you ___ your test paper now.