【文章內(nèi)容簡介】
the school during school hours without asking your teacher. 在上學(xué)期間不要離開學(xué)校,除非問了老師。 should 應(yīng)該 shouldn39。t 不 應(yīng)該 He shouldn39。t play football on the road. 他不應(yīng)該在馬路上踢足球。 He shouldn39。t walk a dog on the road. 他 不應(yīng)該在馬路上遛狗。 She shouldn39。t walk a dog in the park. 她 不應(yīng)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