【答案】--Last summer ,a lot of athletes went to Brazil to______the 2016 Rio Olympics.

--Last summer ,a lot of athletes went to Brazil to______the 2016 Rio Olympics.

--Yes,it's great Olympic game,I can still remember some exciting moments in the game.

A. join in B. lead in C. take in

【答案】

A

【解析】

句意：——去年夏天，许多运动员去巴西参加2016年里约奥运会。——是的，它是一届很棒的奥运会。我现在还能记起比赛中一些令人激动的时刻。参加是join in。故选A。