(Viên chức Mầm non) 1128 câu trắc nghiệm Tiếng Anh A2 có đáp án - Phần 29

If someone ________ in here with a gun, I would be very frightened.

28/30

If someone ________ in here with a gun, I would be very frightened.

would walk

walks

had walked

walked

Giải thích

Chọn đáp án D