7. Hotel chains periodically offer special promotions ,so check newspapers to get a better discount. A. 错误 B. 正确 ...

13. It is the first time that she ___ the moral standards of the community . A. A.is going to question B. B.has questioned C. C.questions D. D.questioned ...

3. Absorbed in her work ,she was totally ____ her surroundings . A. liable for B. oblivious of C. separated by D. concerned about . ...

4. The wife outlived her husband by twenty years . A. 错误 B. 正确 ...

14. Dale said ,"I want my parents to be proud of me .I want them to know that what they did for me was not _____." A. in vain B. for vain C. no use D. worthy ...

8. ____ John won the first prize at the speech contest made the whole class very excited . A. How B. What C. That D. Whether ...

24. I regret ___ that this time I cannot promise you anything . A. to say B. saying C. have to say D. must say ...

12. She is a teacher ____ of our great respect . A. aware B. confident C. capable D. worthy ...

4. The purpose of this organization is to protect customers from unethical business practices and to promote the maintenance of high business and professional standards . A. 错误 B. 正确 ...

24. My sister will be here tomorrow ,but at first I thought that she ____ today . A. was coming B. is coming C. must come D. may come ...