difference between whom and whose?

[Tork]

English Grammar Tests, Elementary Level

ESL/EFL Test #47 "Question Words", question 10

......... shoes are those?

(a) Why
(b) Whose
(c) Whom
(d) Who

English Grammar Tests, Elementary Level

ESL/EFL Test #47 "Question Words", answer 10

Whose shoes are those?

Correct answer: (b) Whose

Your answer was: incorrect
Whom shoes are those?
_________________________

what are the different between Whom and whose?

Tork

[Mister Micawber]

.
'Whom' is the object pronoun; 'whose' is the possessive adjective.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber