Помогите составить 5 вопросов ( general special , alternativetag, subject ) К предложению " They had three exams last year" Помогите!!!! Пожайлуста

general - Did they have three exams last year?

special - When did they have three exams?

alternative - Did they have three or four exams last year?

tag - They had three exams last year, didn't they?

subject - Who had three exams last year?