A.春季 B.夏季 C.秋季 D.冬季
A.價(jià)格變動(dòng) B.促銷活動(dòng) C.規(guī)范服務(wù) D.站容站貌
A.Do you need it B.May I help you C.Can I help you D.What kind of fuel do you need