PUBLIC SERVICE ANNOUNCEMENT IS A SPECIAL ADVERTISEMENT FOR THE COMM...

22.Public service announcement is a special advertisement for the community,normally about health or safety matters.A.Open B. private C. secret D. popularVIII. Read the following passage and mark the letter A, B, C or D to indicate thecorrect word or phrase that best fits each of the numbered blanks.Doing regular exercise or playing sports can be dangerous, _____(23) ____ if youare over 40. This is why it is a very good idea to see your doctor_____ (24)____starting if you think you are not very fit. Some people try to do exercise or playsports too vigorously too soon, and ______(25)_____they cause themselves injurieswhich can take a long time to heal.However, it is not only older people who should take care. Doctors report manyinjuries such as backaches, sprained ankles and pulled muscles, which can all be____(26)____if a little care is taken. If you do injure yourself, rest for a while toallow your body to recover naturally. Above all, don’t push yourself because youthink it is doing you good. ____(10)____, you could do yourself permanent damage.