AfterMr.andMs.SmithspentahappymorningatthezoowithJoe,th...
问题详情：AfterMr.andMs.SmithspentahappymorningatthezoowithJoe,theirfour-year-oldgrandson,theystoppedatarestaurantandthenwentintoitforlunch.Whenthewaiterpassedthemsomemenus，Mr.Smithreachedintohispocketfo...