【简答题】Change the informal expressions to the formal ones. 1、We got the goods yesterday. 2、I want to ask about your new product. 3、We're sorry that the order was late. 4、Let me know if the date is ok. 5、If y...
【简答题】Dialogue 2 A. a vailable B. stand-by ticket counter C. next 4 carriages D. keep you waiting E. an economy-class seat F. pay the balance H. upgrade I. go straight J. service fee Passenger: Excuse me, M...