3 . As far as I know, Han Gan’s talent and years of hard work ______ his success.

A．are due to

B．contribute to

C．are used to

D．apologize to

9 . 用以下词的正确形式填空

generous	inspire	severe	represent	eventually
effective	impressive	appreciate	scream	due to

1. The movie was so scary that I even let out a ________ .
2. ________ his efforts, he has made great progress in English.
3. To balance study and play, you need to manage your time ________.
4. Red is a color which usually ________ good luck and happiness in Chinese culture.
5. We really ________ your help and thank you for all the efforts you have made.
6. Reeve’s injuries were so ________ that he had no movement or feeling in his body.
7. Your speech left such a deep ________ on me that I will remember it for my whole life.
8. Ben failed the driving test three times, but he did not give up. ________, he passed it.
9. Martin Luther King delivered an impressive and ________ speech known as “I have a dream”.
10. He was a warm, ________ and kind-hearted man, who always helped those most in need.