—Mum, have you seen my mobile phone?—The one you bought last week? I’m sorry I haven’t seen ________.
She is leaving________Beijing tomorrow.
—Do you know who the pen________? —Sorry,I don't know.
It’s too late.I________go home now,or my parents will be anxious.
You’d better read today’s newspaper because there is________in it.
The college students often use up all their money in the first half month.