TextRanch lets you have your English corrected by native-speaking editors in just a few minutes. Get your English checked! "Drop by" is my second option, but I agree that it sounds a little colloquial. I'll use it only when using "open" might induce confusion. The first illustration of this is https://auto-accident-legal-help74838.blogars.com/38352541/facts-about-trusted-partner-revealed