读写实践Someetiquette（礼仪）inmodernlifeDoyouoftenuseacellphon...
问题详情：读写实践Someetiquette（礼仪）inmodernlifeDoyouoftenuseacellphone?Doyoutakethesubwaytoschooleveryday?Theseitemsmakeourmodernlifeeasier.Butdoyouknowhowweshouldbehaveproperlywhileusingthem?Thefollowi...