First you can make the whole class into two big groups andthen let them have a ais cassion

First you can make the whole class into two big groups andthen let them have a ais cassion

先把整班分成两个大组,然后让他们讨论.
不是 aidcassion把,是discassion

首先你可以把班里的人分成两个大组，然后让他们自己讨论一下。dis cassion应该是-discussion.