1 . One of the best ways to improve your vocaulary is to read widely and d________, involving many different subjects and styles of writing. (根据首字母单词拼写)

2 . ________ (少数民族) cultures within the United States often raised issues of cross-cultural conflict. （根据汉语提示单词拼写）

3 . The newly opened shopping center around the corner provides ________ (各种各样的) goods for people to choose from. (根据汉语提示单词拼写)