问题补充：
根据所给中文或首字母写出相应单词的正确形式。
1. When I began to sing, he laughed and made me eembarrassed.
2. He said that he ppreferred to stay at home rather than go with us.
3. He has been practicing these days, in ppreparation for the match.
4. The club is for tteenagers who are between 13 and 19 years old.
5. Mr. Tang enjoys writing. His works have eearned him many good friends.
6. We are kept iinformed of what is happening in the world by reading newspapers and watching television.
7. I’ve tried, but I can’t open the door anyhow（无论如何）.
8. The tall man bent（弯腰） forward to listen to the little girl.
9. The center has over 300 scientists devoted(致力于) to doing research into DNA.
10. Taking weight-loss pills proves to be dangerous, as it contains(包含) some chemicals which cause one’s liver to fail.
答案：
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根据所给中文或首字母写出相应单词的正确形式。1. When I began to sing he laughed and made me eembarrassed.2. He s
