Fill in the blanks with which, what and who.
1. ........................... is the longest river in the world?
Either which or what can be used here with little difference of meaning.
2. .......................... is your favorite writer?
Use who to refer to people.
3. .......................... is your favorite perfume?
4. ............................... thinkers have influenced you the most?
Either which or what can be used before nouns.
5. ............................ doesn't kill you makes you stronger.
6. We have got green apples and red apples. ............................... will you have?
We use which when we are talking about a limited number of choices.
7. .......................... do you want to meet?
Who is also possible here in an informal style.
8. ........................... do you think I should do?
9. ........................... is your name?
10. ........................... language do they speak in Iceland?
11. ........................ color are your eyes?
12. .................................... these books is yours?
Before a noun with a determiner, we use which of, not what of.
Answers
1. Which / What is the longest river in the world?
2. Who is your favorite writer?
3. Which / What is your favorite perfume?
4. Which / What thinkers have influenced you the most?
5. What doesn’t kill you makes you stronger.
6. We have got red apples and green apples. Which will you have?
7. Who / Whom do you want to meet?
8. What do you think I should do?
9. What is your name?
10. What / Which language do they speak in Iceland?
11. What / Which color are your eyes?
12. Which of these books is yours?
