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",
) k! {7 r% t, K# \* y  [1 E0 B! ~then i can't put "canada"in the"Primary"of the "contact perferences"
What should i do?Help!!!