A very basic grammer question: where will 's' come
Hi! I tied to create an account here but I did not get an email confirming my registration so posting anonymously.
Professors have agreed to submit letter or recommendation. I am pretty sure this is not correct but could not decide which one of following is correct.
Professors have agreed to submit letters or recommendation OR Professors have agreed to submit letter or recommendations
Thanks in advance for your help.
Diaz
Top answer
Professors have agreed to submit letters of recommendation.
— Mister Micawber
Professors have agreed to submit letters of recommendation.
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