1) for是并列连词,不能置于含两个并列分句的句子的句首,只能将其放在两个分句中间。 判断改错:(错) For he is ill, he is absent today. (对) He is absent today, for he is ill. 2) so为连词, therefore一般为副词。例如: He hurt his leg, so he couldnt play in the game. 他的腿受伤了,不能上场。 I think; therefore I exist. 我思故我在。 |