English grammar - interrogative pronoun

Fill in the blank with suitable interrogative pronoun. To ...... did you give the key?

Fill in the blank with suitable interrogative pronoun. ...... shall we eat?

Fill in the blank with suitable interrogative pronoun. ..... did she say?

Fill in the blank with correct form of the interrogative pronoun Say ...... you would like best.

fill the blank with the suitable Interrogative pronoun ..... of these books is yours?

Fill in the blanks with suitable Interrogative Pronouns: ...... did this?

Fill in the blanks with suitable Interrogative Pronouns: ..... of you did this?

Fill in the blanks with suitable Interrogative Pronouns: ...... goes there?

Fill in the blanks with suitable Interrogative Pronouns:...... are you?

Fill in the blanks with suitable Interrogative Pronouns: I don't know ...... is there.