Meaning of 'May I ride with you to work?'

[ta anh tuan]

English Grammar Tests, Elementary Level

ESL/EFL Test #49 "Modal Verb Questions", question 8

......... I ride with you to work?

(a) Does
(b) Haven't
(c) Allow
(d) May

English Grammar Tests, Elementary Level

ESL/EFL Test #49 "Modal Verb Questions", answer 8

May I ride with you to work?

Correct answer: (d) May

Your answer was: correct
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why use may is correct ? please explain, thank you.

ta anh tuan

[Alan]

Hi,

May I? in the senetnce really means: Do I have your permission to ...?

Alan
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English as a Second Language
You can read my ESL story Not Really