阅读下面短文，用括号内所给动词的适当形式填空， 必要时可加助动词或情态动词。

    It's four o'clock in the afternoon. Some students (talk)about the future. Here is one of their predictions. I believe we will be ableto live in the space. There (be) many big clean hotels in the space. We can fly our rockets to the space hotel there. And also we (play) sports and enjoy all kinds of interesting food in the sky. 

— John