400 câu trắc nghiệm Ngữ pháp Tiếng Anh nâng cao (P6)

He has been waiting for this letter for days, and at ... it has come

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He has been waiting for this letter for days, and at ________ it has come.

last

the end

present

the moment

Giải thích

Đáp án A.

at (long) last = finally.

in the end: cuối cùng.

at present = at the moment = now.