Whose cap is this—I ____ it’s Li Ming’s.

What can I do for you, sir— I want ______ iPhone 6S plus for my wife as ______ unexpected gift.

I felt most angry about the way ________ I was treated when I was shopping.

I have a friend _______ would like to speak to you.

The boy felt quite happy because he was closernow to ______ an answer of his own.