He has been waiting for this letter for days, and at _____ it has come.
Giải thích
Chọn đáp án D
Giải thích: at (long) last = finally.
in the end: cuối cùng.
at present = at the moment = now.
Chọn đáp án D
Giải thích: at (long) last = finally.
in the end: cuối cùng.
at present = at the moment = now.