New York Times: Use apostrophes for plurals of abbreviations which have cash letters and durations: M.D.’s, C.P.A.’s. Also use apostrophes for plurals shaped from solitary letters: He acquired A’s and B’s on his report card. Brain your p’s and q’s. JayJay 37k33 gold badges6363 silver badges111111 bronze badges six three https://bookmarkingbay.com/story19960615/details-fiction-and-car-finder-uk