10.A.Could you show me the way to the nearest post office? B.I'll tell him the news as soon as he comes back. C.Do you think it important for all of us to learn a foreign language?
19.15.Jack booked into a hotel in New York on his business trip. 16.He was not satisfied with the food served in the hotel at all. 17.When he returned to the hotel on the second day,he found his room empty. 18.Jack asked for the hotel service of packing his suitcase because he was leaving. 19.Jack was very angry when he found everything packed in the suitcase was in a mess. 20.Jack asked to see the manager most probably to complain about the service in the hotel.