(Viên chức Mầm non) 600 câu trắc nghiệm Trọng tâm tiếng Anh có đáp án - Phần 35

However, soon (9) _______ this disappointment the father discovered how fortunate the family had been.

14/40

However, soon (9) _______ this disappointment the father discovered how fortunate the family had been.

since

when

until

After

Giải thích

Đáp án đúng là D