1. Only by ________ training can Liu Xiang make such rapid progress in the 110-meter hurdles.
2. Many foreigners have become _________ of our country.
3. What a good ____________ he is! I like him very much.
4. To Jamie’s __________, he remained calm.
5. I kept my reference books near my desk for ______________ .
6. She ____________ all her business affairs before going on holiday last week.
