【题目】In many countries, people_________ fireworks to celebrate their traditional festivals.
A.let offB.put offC.give offD.go off
在线课程【答案】A
【解析】
考查动词短语辨析。句意：在很多国家，人们燃放烟花来庆祝他们的传统节日。A. let off燃放，释放；B. put off推迟，延期；C. give off散发；D. go off离开，爆炸。根据“to celebrate their traditional festivals.”可知，此处指“燃放烟花庆祝节日”。故选 A项。