when Miss Li---into the classroom,the students---still---loudly,so she got angry(come,talk)

when Miss Li---into the classroom,the students---still---loudly,so she got angry(come,talk)
when Miss Li---into the classroom,the students---still---loudly,so she got angry(come,talk)

when Miss Li---into the classroom,the students---still---loudly,so she got angry(come,talk)
came
talking

came talked

came, were talking

when Miss Li came into the classroom,the students were still talking loudly,so she got angry

came, were still talking