Question

Though he is very old,____ he keeps on studying and working A.but B.yet C and D.or应选哪一个

Answer 1

yet在这里是副词，与although(though)连用时yet：
Though she was busy with her work, yet she managed to find time to stay with her family
虽然她忙于工作，但她还是挤出时间与家人在一起。

选B
希望满意，祝您进步：）

Answer 2

B.yet但还是的意思

因为though不能配but，而and和or都错的离谱。

如果满意，请采纳，有任何疑问也欢迎提问，谢谢。

Answer 3

B. Though he is very old, yet he keeps on studying and working . = He is very old, but he keeps on studying and working

Answer 4

B though 不可以和 but 连用，但是可以和still ，yet 连用。
祝学习进步！

Answer 5

选B 在这里yet是用于肯定句中，意为“仍然”

Answer 6

B