Study the speaking skills and complete the following closing part of a presentation with the expressions A-G. (作答时仅填入字母，不要填短语)A. briefly summarize B. I hope that you have found C. if you have any questions D. the biggest reason E. several possible solutions F. talked about G. thank you so muchPresentation:In the end, I'd like to _____1_____what have been discussed today. First, we __2_____the situation that in recent years more cities have become overcrowded, especially during rush hours. Then we try to explore major causes for the situation. _____3_____is that too many cars are produced and owned. Finally, ___4______have been proposed, such as developing public transportation and encouraging sharing bicycles or cars. ____5____the presentation helpful and that everyone has realized one thing: city planning should always “put people before automobiles”. ___6_____for your attention. (Wait for applause from the audience). I think we still have some time for a few questions. Please raise your hand to let me know ___7_____.