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",
$ ^2 j' Y$ W3 k/ Ithen i can't put "canada"in the"Primary"of the "contact perferences"
- Q( t1 b' W. rWhat should i do?Help!!!