I advise you to check ..... with a letter or a phone call if you intend to pay them a visit in order to save a wasted journey.

English as a Second Language Single question discussions
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I advise you to check ..... with a letter or a phone call if you intend to pay them a visit in order to save a wasted journey. (*) previously (*) prior (*) ante (*) beforehand

This is a companion discussion topic for the original entry at https://english.best/questions/3740,i-advise-you-to-check-___-with-a-letter-or-a-phone-call-if-you-intend-to-pay-them-a-visit-in-order-to-save-a-wasted-journey/