Помогите пожалуйста, нужно вместо пропусков правильно вставить слова.
1) We.... Interested in classical music.
a) am; b) is; c) are; d) a.
2)We..... already the composition.
a) wrote; b) have written; c) written; d) has written.
3) Next year my son.... the University.
a) shall enter; b) enter; c) have entered; d) will enter.