学进去

   There will be many changes in our school in the future. Students ______ lessons outside the classroom, for example, under the sea, on high mountains and even in space. Students will not have to ______ heavy books to school All ______ books will be on a small computer. Students will have lessons online with people ______ other countries. There will also be some flying bikes. They will help students ______ from one place to another ______.