46. In water polo, a player is ______ after committing five personal fouls.
A. ejectedB. awardedC. criticizedD. defeated
47. _________ is a game played in a swimming pool in which two teams of swimmers try to score goals with a ball.
A. DivingB. Windsurfing C. RowingD. Water polo
48. They are discussing the ________ to prevent poaching and the trade in rhino horn.
A. measuresB. approachesC. agreementsD. regulations
49. I ______arrive on time, so please start dinner without me.
A. needn'tB. willC. shouldn'tD. may not
50. It's the kind of book you can just dip ________.
A. atB. intoC. toD. for