Dolphinsaresocleverthattheycanfollowtheinstructions．（保持句意不变）Dolphinsare＿＿＿＿＿＿tofollowtheinstructions．

　　Dolphins　are　so　clever　that　they　can　follow　the　instructions．（保持句意不变）Dolphins　are＿＿＿　＿＿＿　to　follow　the　instructions．