Chases (verb or noun)

[rico]

English Grammar Tests, Elementary Level

ESL/EFL Test #77 "American homophones", question 4

My friend's dog always chases ......... tail.

(a) their
(b) theirs
(c) it's
(d) its

English Grammar Tests, Elementary Level

ESL/EFL Test #77 "American homophones", answer 4

My friend's dog always chases its tail.

Correct answer: (d) its

Your answer was: incorrect
My friend's dog always chases their tail.
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chases is pular?

[Mister Micawber]

No, dog is singular and chases is the 3rd person present singular verb form.
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Native English teacher at Mister Micawber's

[Alfaidim]

why not it's

thank you

[Mister Micawber]

'It's' means 'it is'.
'Its' (no apostrophe) would have been OK.
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Native English teacher at Mister Micawber's