4 Complete the text with the correct forms of the verbs in brackets. GETTING ACTIVE AT SCHOOL It is well known that ¹ doing (do) exercise every day is good for your health, so some schools are now interested in 2 (find) new ways to include exercise in the normal school day. In the United States, Active Schools encourage students 3 (become) fitter by 4 (make) sure that they do at least one hour of physical exercise each day before, during and after classes. A few forward-thinking schools have decided 5 (change) their normal classroom chairs (allow) their students to cycle for exercise bikes 6 while they are studying. Most students are delighted" (have) the bikes and find it easy 8 (concentrate) on their work and cycle at the same time. What do you think? Would you enjoy ⁹. (be) more active at school?​