Is this (their/theirs) coffee?
Correct answer: theirs
Explanation: "Theirs" is the possessive pronoun, referring to the coffee belonging to them.

Is the flat ______?
Answer is missing. Please provide the full sentence for me to correct.

The gray scarf is (my/mine).
Correct answer: mine
Explanation: "Mine" is the correct possessive pronoun referring to the speaker's scarf.

That red bike is (our/ours).
Correct answer: ours
Explanation: "Ours" is the correct possessive pronoun to indicate the bike belongs to the speaker and others.

We should take (my/mine) car.
Correct answer: my
Explanation: "My" is the correct possessive adjective before the noun "car."

He dropped (my/mine) bag.
Correct answer: my
Explanation: "My" is the correct possessive adjective before the noun "bag."

Are these phones ______?
Correct answer: yours
Explanation: "Yours" is the possessive pronoun referring to the phones belonging to the person being spoken to.

These cakes are (our/ours)!
Correct answer: ours
Explanation: "Ours" is the correct possessive pronoun indicating the cakes belong to the speaker.

Are those children (your/yours)?
Correct answer: yours
Explanation: "Yours" is the correct possessive pronoun indicating that the children belong to the person being addressed.

Tina is ______ sister.
Correct answer: A. my
Explanation: "My" is the correct possessive adjective referring to Tina's sister.

______ went to the cinema yesterday.
Correct answer: A. Her
Explanation: "Her" is the correct possessive adjective referring to a female subject.

This car is ______.
Correct answer: A. his
Explanation: "His" is the correct possessive adjective indicating that the car belongs to a male subject.

______ brother is tall.
Correct answer: A. His
Explanation: "His" is the correct possessive adjective for a male subject's brother.

I waited for ______ yesterday but you didn't come.
Correct answer: B. you
Explanation: "You" is the correct pronoun referring to the person being spoken to.

These are ______ pencils.
Correct answer: A. ours
Explanation: "Ours" is the correct possessive pronoun indicating that the pencils belong to the speaker and others.

This letter is for ______.
Correct answer: C. him
Explanation: "Him" is the correct pronoun referring to a male recipient.

This is John's book. It is ______ book.
Correct answer: B. his
Explanation: "His" is the correct possessive adjective referring to John's book.

Whose bag is this? - It's ______.
Correct answer: B. mine
Explanation: "Mine" is the correct possessive pronoun indicating that the bag belongs to the speaker.

Whose jeans are these? - They're ______.
Correct answer: B. hers
Explanation: "Hers" is the correct possessive pronoun indicating that the jeans belong to a female.

These are the children's shoes. They're ______.
Correct answer: C. theirs
Explanation: "Theirs" is the correct possessive pronoun indicating that the shoes belong to the children.

Look at ______!
Correct answer: A. my
Explanation: "My" is the correct possessive adjective referring to something belonging to the speaker.

I met ______ suncase.
Correct answer: C. her
Explanation: "Her" is the correct possessive adjective referring to the suncase belonging to a female.

I met ______ coats.
Correct answer: D. our
Explanation: "Our" is the correct possessive adjective indicating that the coats belong to the speaker and others.

That is ______?
Correct answer: A. his
Explanation: "His" is the correct possessive adjective referring to a male.

Is ______ (her/hers)?
Correct answer: B. hers
Explanation: "Hers" is the correct possessive pronoun indicating that it belongs to a female.

Is that ______ (their/theirs)?
Correct answer: C. theirs
Explanation: "Theirs" is the correct possessive pronoun indicating that it belongs to a group of people.

Is that ______ (your/yours)?
Correct answer: D. yours
Explanation: "Yours" is the correct possessive pronoun indicating that it belongs to the person being spoken to.