Directions:There are 15 incomplete statements here. Fill in each blank with the proper form of the words given in the brackets.1. Your audience will be _______ (attract) by their interest in the subject and by your enthusiasm for it.2. Your topic should be appropriate for the _______ (long) of the presentation.3. Practice your speech aloud several times until you can _______ (confident) and comfortably transmit your message,4. Look directly at your audience when _______ (start) your oral presentation.5. It is also important to _______ (select) a topic that is geared toward the right audience.6.Your daughter is (luck)______enough to have large company.7.After an (introduce)____by the chairperson，we'1l go on with the day's discussion.8. We must keep the manager (inform)_________of the advertising campaign.9. lt is suggested that the president of the Union (make)___a speech on behalf of all the workers.10.Having been badly damaged by the earthquake,the city has to be (rebuild) .11.She described the ancient city in detail because she (live)________therefor years.12.The new university graduate is confident of (win)______the post as theassistant to the managing director.13.Successful companies concentrate(much)___on selling their productsto their existing customers than to their new ones.14.The local economy depends (heavy)________on the goods.15.With such a short time (leave)______, it’s impossible for US to finish this complicated experiment.