100 câu trắc nghiệm Câu điều kiện có đáp án (Phần 1)

If you ____________ down the volume of your stereo, the neighbours would not have complained.

10/10

If you ____________ down the volume of your stereo, the neighbours would not have complained.

turned

’d turned

have turned

would not have turn

Giải thích

Chọn đáp án B