﹝1﹞.I think the speech is interesting.The speech is given by

﹝1﹞.I think the speech is interesting.The speech is given by Thomas.【合并为一句】I think the speech ______ ______ Thomas is interesting.﹝2﹞.Mr.Li left the city in 2010.【改为现在完成时】Mr.Li ______ ______ ______ ______ the city since 2010