题目

根据所给首字母、单词或中文提示，补全信息。 1.In ancient China，sky lanterns were s________ out to ask for help when people in trouble. 2.The tea produced a pleasant smell after it was ________(boil) in hot water for some time. 3.The Great Wall，the biggest man－made object was ________(build) to protect the country and the people. 4.The tea，one of the most famous drinks, was ________(discover)by accident. 5.Potato chips，the much-loved ________(脆)snack, were invented by mistake. 答案：1.sent　2.boiled　3.built　4.discovered　5.crispy

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