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
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。She was putting on her watch when the broke and it fell to the ground.
