I haven’t seen Sara since she was a little girl and she has changed beyond _____.

(2013·辽宁，23)The accident caused some________to my car，but it's nothing serious.

As the quality of the city’s air continues to give rise to ________, the residents are encouraged to drive cars less often. 

 She changed so much that I could hardly _____ her when we met again after a separation of 20 years. What’s more, she had just had her hair cut, and she was wearing new glasses.

The teacher asked a very difficult question. It was Ted who finally ____ a good answer.