Which form of a possessive pronoun correctly completes the sentence?
The car had luggage strapped on __________ roof.
a. it
b. it's
c. its'
d. its

Respuesta :

The correct answer is D) its.
A is completely incorrect because you have to use a possessive, not a personal pronoun here.
B is a contraction for it is.
C doesn't exist in English language.