HE ____CROSS THE STRESS WHEN THE TRAFFIC LIGHT IS GREEN FOR PEDESTRIANS

7. - KIEM TRA TRAC NGHIEM 1 TIET UNIT 45 ANH 8 THI DIEM
KIEM TRA TRAC NGHIEM 1 TIET UNIT 45 ANH 8 THI DIEM

7. He ____cross the stress when the traffic light is green for pedestrians.

A.should B.should n’t C.ought D.oughtn’t