so/ with her friends,/ on the lesson./ She was chatting/ she couldn't concentrate
She was chatting with her friends, so she couldn't concentrate on the lesson.
and / saw some new posts. / Tom / checked the notifications
Tom checked the notifications and saw some new posts.
spending too much time on social media/ now./ he started/ Nam was a good student; / however,
Nam was a good student; however, he started spending too much time on social media now.
there to discuss./ so/ Our class has a forum,/ we often post questions
Our class has a forum, so we often post questions there to discuss.
teenagers should learn to mix with their classmates, / they can try to get on with their siblings. / or / To have more companions,
To have more companions, teenagers should learn to mix with their classmates, or they can try to get on with their siblings.
it is hard./ We try to meet/ but/ our parents’ expectations,
We try to meet our parents’ expectations, but it is hard.