Underline the correct words to complete the sentences

1. Some teanagers never john in any forums for help, (so/ because) they prefer talking to their parents about their problems.

2. In some forums teens can get advice from peers;( therefore/ however), my friends often use those forums th share their problems.

3. Many teenagers want to support needy people , ( but/ so) they join community service projects.

4. Our students can participate in any club they like, ( but / or) the shouldn't try to join all the school clubs at the same time.

5. Minh told his teachers about the school bullies;( therefore / otherwise ), they bullies wouldn't leave him alone.

6. Parents should give teens some freedom, (but/ so) they should also set limits.

7. We don't cheat on exams, (for/ and) it is a wrong thing to do.

8. Lan wants to join the school music club; (however/ therefore) she can't sing or play any.

9. She wanted to prepare for the exam;(therefore/ however) she turned off her mobile phone.

10. He isn't a member of the chess club; (therefore/ otherwise) He won't join the chess competition.