Let Sam teach you when to use ‘if’ and when to use ‘whether’, then test yourself with this quiz:
Which is the correct option in each gap?
_ we go on holiday, we’ll go in October. But we don’t know _ to go abroad or stay here.
a) If/ whether
b) Whether/ if
👉You’ll find a summary and more quizzes here: https://www.bbc.co.uk/learningenglish/english/course/eiam/unit-2/session-36