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。 2 ~$ I# H. N8 r9 ? 判断改错:(错) For he is ill, he is absent today.! x2 n4 U0 {; q& ]/ x/ `3 ^5 K
(对) He is absent today, for he is ill. ( A: g3 @1 `7 B+ b# @) ~8 p 2) so为连词, therefore一般为副词。例如: 4 T6 M* C0 ]0 v1 J1 f He hurt his leg, so he couldn't play in the game. 他的腿受伤了,不能上场。 # e8 {% u4 L G/ I I think; therefore I exist. 我思故我在。