【简答题】Flying as an airline passenger is often a memorable experience. 2. The most common complaints against the airlines concerns delays due to weather, mechanical problems, or overbooking that can seriousl...
【简答题】I. Improve the following sentences. 1. I hereby acknowledge receipt of your July 7 letter. 2. Do send us your catalogue as soon as possible. 3. Unfortunately, your order cannot be sent until next week...