现学现用
1. I have many hobbies so I j_____（参加） in different kinds of clubs in our school.
2. We are going to a_____（参加）the c oncert with my uncle this evening.
3. He will _____ us in the discussion tomorrow.
A. join B. join in
C. take part in D. attend
4. We all had to _____ th e training run, with nobody excepted.
A. attend B. join
C. take part in D. join in
