[ Conjunction ]
It’s usually quite simple to cross the border between the USA and Canada ___ these two countries have friendly relations.
a. yet
b. and
c. because

Random Topics:
Possessive PronounsLinking Verbs and TensesPresent Perfect, Present Simple, Present ContinuousRelative Pronoun/AdverbsVocabulary and ModalsFirst and Second ConditionalGrammar Error Correction (Simple Present Tense)If- ConditionalFuture - Will and Be going toPhrasal Verb Put & GoOther quiz:
Modals › ViewHello. _____ I speak to Mrs Johnson, please?
A. May
B. Will
C. Had
Tenses › View
She ____ unemployed since she left school.
A. has not been
B. was not
C. is not