Peter many famous in China last holiday.
【题目】Peter ____ (visit) many famous ____ (city) in China last holiday.
【答案】visited cities
【解析】
句意：彼得去年暑假参观了中国许多著名的城市。由last holiday可知，句子是一般过去时，谓语动词visit要用其过去式visited；many后接可数名词复数，city的复数是cities。故答案为visited；cities。
