问题补充：
—Did you return the book on me? Why can’t I find it anywhere?
—. You were writing a letter at your desk at that time.
A. I will give it to you
B. I did give it to you
C. I had given it to you
D. I do give it to you
答案：
A. I will give it to you
(答案→)B. I did give it to you
C. I had given it to you
D. I do give it to you
解析：B本题考查对谓语动词的强调。句意：“你把书还给我了吗？我怎么到处都找不到呢。”“我确实给你了。你当时正在书桌旁写信呢。”此处是描述发生在过去的事情，且从上下文的语气可知，此处是对过去动作give的强调。
