--What do you think of the furniture on exhibition? --Well, great! But I don’t think much of _______ you bought.
Who is the man a blue shirt? I have never seen him before.
Here is my classmate ________ bicycle was lost yesterday.
The young doctor is determined to devote all his life to ________ the cause of cancer.
This dictionary ________ me. It cost me twenty dollars.
I don’t like ________ you speak to her.