there happened many events in his reign .用in,还是during?

there were many ()in london during the olympic games There were many (t ) in Shanghai during World Expo 2010 There are many s_____ in his book. There are many flowers in there.最后是用in there还是there? What has happened recently in China’s current events that in 一个英语句子.It so happened that in this village there were many s Wang Ming _____ many foreign ______ (交朋友）during his stay in The story happened in Vietnam during the war.A There are many photos in his hands.同义句 There are many books in his _____.(draw) How many people are there in his family? how many people are there in his family