B. use an appropriate interrogative pronoun to complete each question
1._____ of these colors do you prefer?
2.To____ should I address the letter?
3.____ has left their shoes outside the front door?
4.to_____ of these address did you send the parcel?
5._____ is the title of the poem that you recited?
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1. Which of these colors do you prefer?
2. To whom should I address the letter?
3. Who has left their shoes outside the front door?
4. To which of these addresses did you send the parcel?
5. What is the title of the poem that you recited?