第一节(共20小题;每满分30分阅读下面短文,从短文后各题所给的A、B、C和D四个选项中,选出可以填入空白处的最佳选项。Lexie was turning nine. It was a beautiful day so everyone wanted to 641! Lexie,s mother, Kelly Jackson, and her grandmother Comeau, had been taking turns to get 42 and get everything set up. When Lexie'sJackson went upstairs to get