练习题：
1. The problems of blacks and women _______________ 。
2. Only after I slapped him on the back ____.
参考答案：
1.have attached considerable attention of the public in recent decades.
最近几十年表达的是一段时间一直，所以要用现在完成时，公众可翻译为the public。
2. did he notice me and shouted with happiness
这是only引起的半倒装句，only+强调内容+助动词+主语+谓语+其它