完形填空。 Have you ever regretted doing something you shouldn't have done or something you didn't do which you should have? At one time or another we probably all have. There's no 1 in getting depressed about it now-it's no 2 crying over spilt (溢出的) milk. However, there may be some gain in thinking about exactly what happened and why 3 we might be able to draw some conclusions for the future. One thing we all do now and again is to lose our 4 with a friend or close relative. The odd thing is that we more often display great 5 towards someone we are fond of than towards 6 . The explanation may be that we see friends and relatives as a kind of safety net, an opportunity to 7 a bit of steam in a safe environment, while the consequences (结果) of 8 a stranger could be far more serious. Being honest is usually thought of as a virtue (美德) and undoubtedly this is the 9 . On the other hand, we have all experienced occasions when we have spoken our minds to someone, telling them exactly what we feel, and then have found ourselves filled with feelings of 10 . Perhaps we should have kept our mouths shut? (     )1. A. reason (     )2. A. use (     )3. A. so (     )4. A. mind (     )5. A. anger (     )6. A. strangers (     )7. A. run through (     )8. A. inviting (     )9. A. issue (     )10. A. excitement B. purpose B. help B. because B. memory B. interest B. friends B. throw away B. insulting B. case B. happiness C. point C. value C. but C. manner C. love C. relatives C. give up C. speaking to C. event C. pride D. result D. benefit D. though D. temper D. respect D. colleagues D. let off D. believing in D. factor D. guilt