when, while ,until, till ,as soon as ,as ,after ,before,引导的时间...答:1)宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是)已构成固定搭配,其他介词后一般不接that引导的宾语从句。 *I promised that I would change the situation. *All this is different from what American ...