翻译we have been on duty for four hours and now comes your tur

翻译we have been on duty for four hours and now comes your tur I skated for four hours与I have been skating for four hours的区 We have been studying and living together for over four year we have been there for about two hours. we have been together for such long time...now music and me 初三同义句替换We have been waiting for many hours.We have been wait Next is Sam ,and he has been skating for four hours i need to have a rest.we ___(walk)non-stop for four hours 1.Oh,my feet hurt!We must have walked for four hours _______ The skating marathon has been going for five hours now,and s Sam has been skating for four hours.改为否定句 he`s been skating for four hours 改为否定句