Why it could not be "expressed fashion"?

[Isaiaas]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #518 "English Slang Idioms (102)", question 2

"Hi, Jim. I understand that you have to have all of the information into the accountants today. The information you need will be there in a .......... I am going to get to work on it right now and I should be finished in about a half-hour," Richard replied

(a) jiffy
(b) expressed fashion
(c) overtly
(d) asymptote

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #518 "English Slang Idioms (102)", answer 2

"Hi, Jim. I understand that you have to have all of the information into the accountants today. The information you need will be there in a jiffy. I am going to get to work on it right now and I should be finished in about a half-hour," Richard replied

Correct answer: (a) jiffy

Your answer was: incorrect
"Hi, Jim. I understand that you have to have all of the information into the accountants today. The information you need will be there in a expressed fashion. I am going to get to work on it right now and I should be finished in about a half-hour," Richard replied
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Why it could not be " expressed fashion" the right answer?

Thank you so much for all the work you do for us.

Isaiaas

[Mister Micawber]

.
Well, besides the fact that it is not a natural English expression, the article preceding it would have to be 'an', not 'a'.
.
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Native English teacher at Mister Micawber's