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the school during school hours without asking your teacher. 在上學期間不要離開學校,除非問了老師。 should 應該 shouldn39。t 不 應該 He shouldn39。t play football on the road. 他不應該在馬路上踢足球。 He shouldn39。t walk a dog on the road. 他 不應該在馬路上遛狗。 She shouldn39。t walk a dog in the park. 她 不應該在公園里遛狗。 You shouldn39。t cross the street when the traffic light is red. It39。s too dangerous. Don39。t cross t