The student is ong of the top students in our class,his is tom把它用定语从句合并成一句
问题描述：
The student is ong of the top students in our class,his is tom把它用定语从句合并成一句
答
The student,who is Tom,is ong of the top students in our class.
非限定定语从句
还可写成The student,Tom,is ong of the top students in our class。
答
The student, (who is) Tom, is one of the top students in our class.
保留 who is 就是定语从句 但口语一般省略掉，作为同位语存在
答
The student who is one of the top students in our class is Tom.