Idiom of the week – Pile up
Posted by englishlessons on February 3, 2014
Problems with this project have been piling up since the office manager resigned.
Messages piled up in her email account while she was on vacation.
Picture papers piling up on a desk.
Note that “pile up” is a phrasal verb. Phrasal verbs are included on the TOEFL® test as they are so frequent in English.
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