根据句意，用括号内所给词的适当形式填空，每空不限一词。
Her computer ________________ (break) down yesterday and she asked Mr Liu to repair it.
You’d better _______________ (not drink) any wine (酒) because you have to drive back home.
Nobody can work the Maths problem out ___________ (easy).
When I went to say goodbye to Anna, she                     (play) the piano.
The policeman told the children _____________(not play) football in the street.It’s very dangerous.
At the _____________(begin) of the lesson, we learned some English new words.
It is a sunny, hot day today with the temperature in the ___________(thirty).
All the drivers have to drive slowly and carefully because of the _________(snow) weather.
Every year, lots of                （tour）go to Yancheng Nature Reserve to watch birds..
We _____________(know) each other since we were very small children.