Have you finished you homework ? Yes I have finished it.A. already yetB. yet alreadyC.

问题补充：

Have you finished you homework ? Yes, I have finished it.

A. already ,yet

B. yet , already

C. yet ,yet

D. already ,already

答案：

A. already ,yet

(答案→)B. yet , already

C. yet ,yet

D. already ,already

解析：在现在完成时态中，yet 用于一般疑问句和否定句，而already 用于肯定句。故选B