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isn’t he wasn’t he didn’t he mustn’t he
why; that that;why for that;that for which;what
why, that that, why for that, that for which, what
that; why that; that why; that why; which
why he doesn’t come to school why he didn’t come to school why does he come to school why did he come to school
why;that that;why for that;that for which;what
why; that that; why for that; that for which; what
why; that that;why for that;that for which;what
why; that why; because which; because which; that
why he is ill how old he is what housework he does where to meet him
why; that that; why for that; that for which; what
why he is leaving why is he leaving whether he is leaving whether is he leaving
schedule disadvantage purpose timetable
that; because he is ill that; because of his illness why; for he is ill why; that he is ill