— Mum, must I stay there the whole day?

— No, you____________. You____________come back after lunch, if you like.

A. mustn't; can       B. needn't; must       C. needn't; may

A teenage girl couldn’t stand（忍受）her family rules, so she left home.
She wanted to be a star and became famous. But she had a little education and    41   years later, she had to ask for food on the street for a living. Now her father has died. Her mother is an old woman. But she is still ___42___ her daughter. She has been to every corner of the city. Everywhere she goes, she    43   a big photo of her daughter on the wall. At the lower part of the photo she writes, “I still love you …Come back home!”
One day, the daughter saw one of the photos. She was so surprised that she couldn’t believe her    44  . “Is that me?” She moved    45   and read the words, “I still love you…” She cried. She couldn’t wait    ___46   back home. When she got home, it was early morning. She pushed the door. The door opened itself. She rushed to the bedroom at once. Her mother was sleeping there. She    47   her mother up, “It’s me! Your daughter is back home!” The mother and daughter looked at each other with excitement, full of happy tears. The daughter asked, “   48  is the door unlocked? A thief could get in.” The mother answered softly, “The door has never locked    49   you left. We miss you all the time. We believe that you’ll come back some day.”
As everyone knows, parents love their children forever. Children should also understand their parents and share their happiness, sadness, even everything with their parents.    50   this way, both parents and children can be happy.

______ will you come back?     --- In an hour.

How soon   B. How often  C. How long   D. How far 

-- ________ will you come back from the library, Linda?    

-- In an hour.

A．What time         B．How often         C．How soon         D．How long