He found it increasingly difficult to read, _____ his eyesight was beginning to fail.此题参考答案给出for,是否能填since/as/because?• 表因为时,for是并列连词,其他三个词是否均为从属连词?• 并列句表示原因和从属句表示原因有何区别?•...
Many people who have DP show no clear signs.Take, for example, Dacia Reid.If you met her, you probably would not know that she suffered brain damage as a child. There would be no sign of it until you meet her a second time. She would not remember how you looked.上面的内容 取自该网址http://...