【正文】
spy salty sweet sour sweet bitter fragrant The history of chips 2a Listen and circle “T” (for true) or “F” (for false). potato chips were invented by mistake. were invented in 1863. customer thought the potatoes weren’t thin enough. customer said they weren’t salty enough. wanted to make the customer happy. customer was happy in the end. T F T F T F T F T F T F _____________that potato chips were invented by mistake? Chips ______ _________by a chef called Gee Crum. They were invented in______. Gee Crum cooke