51.   The letter had been written on university letterhead.

52.   I wrote a letter to the car rental agency, explaining what had happened.

53.   If I had written the letter, I might have worded it differently.

54.   He has written a letter to The Times setting out his views.

55.   Write your letter and seal it in a blank envelope.

56.   Many residents wrote letters of remonstrance to city officials.

57.   A sententious crank who has written countless letters to the editor about the decline in family values.

58.   A phone call will suffice.

59.   They wrote several letters lambasting the new law.

60.   She wrote a letter detailing her complaints.