Would you please mail these letters , Lucy ?   Yes , Sir .   These two are urgent letters and should be sent by registered express airmail . Others are ordinary letters .   All right , who should I send them to ?   It ’ s sent to Mr . Charles . I believe he is in London .   Ok , home or office address ?   Office address , please . He might be at work when they arrive .   Should I enclose this commercial paper with these two letters ?   Yes , it ’ s right . 