—You mean you saw unidentified flying object?
— Yes, so after quick breakfast, I had to run to the office.
—Yes, he is my brother, Li Lei.
—Yes, but I love _______ air after it rains. It smells so fresh.
— Both.
— He is working towards __________ better future.
—It is apple.
—Look! They are under desk.
—Sorry, I can't. But I can play guitar.