Choose the correct answer A, B, or C.
1. Parents should give teens some freedom, ______ they should also set limits.
A. for B. so C. but
2. We don't cheat on exams, ______it is a wrong thing to do.
A. or B. for C. and
3. Lan wants to join the school music club; ______, she can't sing or play any instruments.
A. however B. otherwise C. therefore
4. Schoolwork causes teens a lot of pressure, _________ they also feel pressure from their parents.
A. and B. but C. or
5. She wanted to prepare for the exam; _________ she turned off her mobile phone.
A. however B. otherwise C. therefore