(2009年合肥市高三第一次教学质量检测)The police tried to get some clues from the suspect，but he remained     ．

The committee is discussing the problem right now. It will_____ have been solved by the end of next week.

If what your friend comes up with surprise you, don’t reject it immediately. _____, imagine that it is true.

— Would you come to our party tomorrow, Della?— I’m afraid I can’t afford the time, but thank you for the invitation _______.

If you have health examinations______, any disease you may have can be discovered early and successful treatment is more likely,