Cbe to do 表将来计划做什么而且tom as well as his classmates是主语附属结构,真正主语是tom所以要用单数,而且是一般将来时,for the next year 用一般现在时表将来
be to do 表将来预备做什么
c 单数,不选b,dis表将来,不选a 整个句子意思是,tom和他的同学一样,在明年7:30在学校门口集中(to meet )