Is this school________ I visited last year?

Why do we have to ____ Joan’s selfish behavior? She should learn to care for others．

Look! The young girl is dressing up __________ an old man ___________ a black coat.

I’ll never forget the day _______ I bought my own guitar with my own money.

一Is Mr. Wang at home I have something important to tell him.一No, he isn’t . He America. He will come back in a week.