1) for 判断改错:来源:考试大 (错) For he is ill, he is absent today. (对) He is absent today, for he is ill. 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) so, therefore He hurt his leg, so he couldn t play in the game.
注意: a. 两个并列连词不能连用,但therefore, then, yet.可以和并列连词连用。 You can watch TV, and or you can go to bed. He hurt his leg, and so / and therefore he couldn t play in the game.
b. although… yet…,但although不与 but连用。来源:考试大 (错) Although he was weak, but he tried his best to do the work.. (对) Although he was weak, yet he tried his best to do the work.