问题
选择题
--- Have you finished your homework ___________?
--- Yes, I have done that ____________.
A．yet; already
B．already; yet
C．ever; never
D．still; just
答案
答案：A
题目分析：句意：你已经完成了你的作业了吗？是的，我已经完成了。yet用于疑问句，已经，用于否定句，还；already,用于肯定句，已经。根据句意，故选A。