Miss hu came into the classroom andthe studens stopped to ta

stop doing sth 和stop to do sth.
stop doing sth是“停止做某事”,doing是stop 的宾语,是要停止的动作,
stop to do sth 是“停下来开始做某事”,to do是stop的状语,表示目的,是要开始做的事情.
Miss hu came into the classroom and the studens stopped talking.(找错）