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",
$ {; E* p. k0 g0 C. t% jthen i can't put "canada"in the"Primary"of the "contact perferences"
* B- B/ Q. \9 }! QWhat should i do?Help!!!