Not only is the use of contractions inappropriate for a formal letter like this, it is also too casual to be used as a form of application for asking any favor. Also, the letter contains a lot of slang words like 'dough' and 'peeps', which can be replaced by proper words. This form of letter sounds too casual to be used for such a form of asking favors. So, it s false as not only the use of contractions make it inappropriate, the use of slang words also made it more appropriate for any official use.
Which word is not spelled correctly in the context of the sentence? The ICU nurse-manger wanted all staff to sign the letter complaining about working hours ...
I was obliged to pile all my clothes on the bedcovers. In the same room I prepared my meals with the aid of an alcohol lamp and a few kitchen utensils.