...the Lantern Festival.People write riddles on colourful
(they) during the Lantern Festival. 答案(1)考查动词时态。句意:它始于2000年前的汉朝。由时间状语2,000 years ago (2000年前)可知,句子时态是一般过去时,此处应填动词过去式,故填:began。(2)考查序数词。句意:它恰逢在农历正月十五,它标志着春节庆祝活动的结束。on the 15th day of the fir...