Tom is in Grade Seven.Tony is in Grade Seven,too.

问题描述:

Tom is in Grade Seven.Tony is in Grade Seven,too.
两句合并成一句 变成这样Tom and Tony-----in----- ------- ------

Tom and Tony are in the same Grade.那 那个七年级呢?不用加上?我认为不用,如果要加的话应该是Tom and Tony are in the same Grade,Grade Seven.