Help!!Toefl ibt registration

alice189

i registrate the test in the internet,so i need sign up first.but if i fill "Canada" in the "Country/Location" of the "contact information",
  U9 G; W) \( fthen i can't put "canada"in the"Primary"of the "contact perferences"
: K0 I; [1 @  P0 eWhat should i do?Help!!!