问题补充:
---Have you finished your homework ? ------- Not .
A. already , yet
B. yet , already
C. yet , yet
D. already already
答案:
A. already , yet
B. yet , already
(答案→)C. yet , yet
D. already already
解析:句意:你已经完成作业了吗?还没有。Already用于肯定句,而yet用于否定句或疑问句中。根据题干,本题故选C。