—Mum, have you seen my mobile phone?—The one you bought last week? I’m sorry I haven’t seen ________.

—______is the Changjiang river in China, do you know?—Yes, it’s about 6,380 kilometers long.

— Who will send you to the new school, your father or your mother? — ________. I will go there alone.

_______ of them like to play basketball.

－Tom, who taught          Chinese before you came to China?－Nobody. I learned it by        .