1. David's the man _____ wife is a model.
that doesn't express possession.
Correct! whose expresses possession.
who doesn't express possession.
2. I have a son _____ in Japan.
a) who he lives
b) who lives
c) lives
You can't use a relative pronoun and a subject pronoun together.
Correct! The relative pronoun who refers to the noun son and is the subject of the verb lives.
The verb lives needs a subject that refers to son.
3. That's the woman ______ at the shopping mall.
a) which I saw
b) I saw
c) who saw
which is never used to refer to people.
Correct! The relative pronoun who is the object of the verb saw, so it can be omitted.
The verbs in the main clause and the relative clause have a different subject.
4. Do you know a restaurant _____ I can have a cheap meal?
We need a relative pronoun that refers to the noun restaurant to mean "there".
We need a relative pronoun that refers to the noun restaurant to mean "there".
Correct! The relative pronoun where refers to the noun restaurant to mean "there".
5. Frank is a person to_____ I can talk about anything.
You can't use that after a preposition in a relative clause.
You can't use who after a preposition in a relative clause.
Correct! In a formal register, especially in written English, we need the relative pronoun whom after a preposition to refer to people.
6. She's the only student in class _____ interested in politics.
Whose expresses possession.
Who is a relative pronoun that is acting as a subject and therefore needs a verb.
Correct! Who's is the contraction of who is. The relative pronoun who refers to the noun student and is the subject of the verb is.
7. That's the series _____ I told you about.
a) who
b) whom
c) no relative pronoun needed
Who is never used to refer to things.
Whom is never used to refer to things.
Correct! The relative pronoun that is the object of the verb told, so it can be omitted.
8. Do you think there will be a day ______ there are no wars?
We need a relative pronoun that refers to time.
Correct! The relative pronoun when refers to time.
We need a relative pronoun that refers to time.
9. The company for _____ I work has decided to close down next month.
a) that
b) which
c) no relative pronoun needed
In formal English, a relative pronoun is needed after a preposition in a relative clause.
Correct! In formal English, that is never used after a preposition in a relative clause.
In formal English, we need to use which after a preposition to refer to things in a relative clause.
10. Robert is the man _____ taught me how to dance.
a) no relative pronoun needed
b) that
c) which
The verb taught needs a subject that refers to man.
Correct!That can be used to refer to people in a defining relative clause.
Which is never used to refer to people.