Writing Exercise Now you try. In the blanks, type in a word or brief phrase that helps connect the sentences and avoids needlessly repeating words. Keep in mind some of the types of connections that you saw in the preceding paragraph. Remember: the goal is to make the writing flow and to keep the reader's mind focused on what you are trying to say. Click here for a sample go back next All sea turtles need air to breathe. lungs remove all oxygen from the air. allows them to stay under water for a long time. Some types of sea turtles are resting ones and can stay at the bottom for hours. the water is colder, and less oxygen is needed. Because other are very active, they must come to the surface quite often. Whether they are the resting or active types, all of lay eggs away from the sea.