The teacher divided the students into two major groups, then each group. Send an agent from one person, the representative of each group compete together, alternating back and forth words spoken on a topic that a teacher.
Teachers Students were divided into two groups, then each group to send a representative to one person to represent each of the race groups say the words interchangeably to refer to the instruction set.
The teacher divided into 2 large groups, and each group send a representative to 1 people. Representative of each group compete speaking vocabulary switching to head teachers set.