At, on and in are all prepositions of place. Sam explains how to use them in this English In A Minute free English class.
Watch Sams video and decide how to fill in the missing words in this sentence:
My keys are ___ my office ___ work. I left them ___ the desk.
a) in, at, on
b) on, in, at
c) in, at, on
☺️Visit our website for the transcript, a summary and more quizzes: http://www.bbc.co.uk/learningenglish/english/course/eiam/unit-1/session-72
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5 yปี