单选题 Burton said he could not swim until the _____ came in because the sea was too far out.无
【正确答案】 B
【答案解析】句意:波顿说他要等涨潮以后再去游泳, 因为现在海水离得太远。 根据后文中“sea”一词可知,应填一个跟海有关的词, 故选B。 tide潮水, 潮汐。 current水流, 气流。 flood洪水, 水灾。