Błędnie: Before the marriage his spouse had to choose between studying at Cambridge or going to the States. Poprawnie: Before the marriage his spouse had to choose between studying at Cambridge and going to the States.
Gdy mamy wybór „między jedną rzeczą, a inną”, używamy konstrukcji ‘between sth. and sth.”, użycie w takim przypadku ‘or’ jest niepoprawne. Np. ‘I had to decide between having a shower and having a breakfest’ („Musiałem wybierać między wzięciem prysznica a zjedzeniem śniadania”).