He has been waiting for this letter for days, and at _______ it has come. A. last
Giải thích
Đáp án A.
A. at (long) last = finally. Ex: At last, we got home.
B. in the end: cuối cùng. Ex: He applied for different positions and in the end worked as an assisstant.
C. at present = D. at the moment = now.
Ex: She’s out at present! Can you leave a message?