Exercise 5 Correct the plural -s ending errors in the following paragraph. Add -s endings to some nouns that should be plural, and cross out -s endings on nouns that should be singular or non-count. Some educators believe that reducing class size is just one small step toward improving elementary education while other believe that there is no evidences to show that reducing class size will improve students' performance. Some teachers feel that, with fewer student, they will be able to give more individual attentions to student who need help with homeworks and more individual help in laboratory classes like biology and chemistry. School administrator hope that the class-size reduction program will eventually affect all student in kindergarten through third grade, at every schools. But some teachers and administrator think that school will still have problems even if classes are small because school don't have the necessary equipments and trained teacher to provide good instruction