—____, are you Ben?—No, I’m not. I’m Peter.A. How are you B. Hi C. Excuse me
Wang Hui hopes ________ a scientist in the future.
—Where is Gary? —He _______ in the library.
Lily and Grace are my best friends. ________ of them are very smart.
—________ I use your pen? — Sure. Here you are.
—________ are we going to meet? — In front of the shopping center.