—May I put my car here?

　       —Sorry, you mustn't. Look at the sign，it says “_______”.

　　1. She _____________ to drive ten years ago.

　　2. You mustn’t _________ at people when they make a mistake.

　　3. There are forty floors in this _______________.

　　4. Class is over. Mary _________ her photos to her friends now.

　　5. Every day he _________ a lift to go up and down.

　　6. The young men enjoy _________ music.

　　7. Next week the American friends __________ some other places in China.

  ________ we clean the windows right now?

　No, you mustn't. You' d better clean them after class .

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