An M-dash be better instead of the comma

[Tom]

Synonyms Lesson, Advanced Level

ESL/EFL Test #112 "Synonyms for error and fault", question 8

I wouldn't call this a bad mistake, it is simply a ......... of the pen.

(a) error
(b) blunder
(c) gaffe
(d) slip

Synonyms Lesson, Advanced Level

ESL/EFL Test #112 "Synonyms for error and fault", answer 8

I wouldn't call this a bad mistake, it is simply a slip of the pen.

Correct answer: (d) slip
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Hi

Wouldn't an m dash be better instead of the comma? Just thinking aloud!

Tom

[Alan]

Hi Tom,

I'm happy with the comma or you could start another sentence.

A
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English as a Second Language
You can read my ESL story Phrasal Verbs/bring

[Tom]

[Mister Micawber]

.
Yes, comma splices are bad for TOEFL and school essays. In literary works and creative writing, they are often used to e.g. express ongoing monologues.
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Native English teacher at Mister Micawber's

[Hoamuahe]

why we use" gaffe of pen "? in this case what does it mean?

[Hoamuahe]

oh,sorry i made mistake here."slip of pen" not "gaffe of pen"?
please explain to me why we use "slip" instead other words.