问题补充:
I have been looking for this book for months, and I have found it.
A. at least
B. in no time
C. at last
D. at present
答案:
A. at least
B. in no time
(答案→)C. at last
D. at present
解析:at last (=in the end)最终;at least至少;in no time 立即,马上;at present 目前。