HE …………. CROSS THE STREET WHEN THE TRAFFIC LIGHT IS GREEN FOR PEDES...

9. - DE KHAO SAT CHAT LUONG HK I CO DAP AN
DE KHAO SAT CHAT LUONG HK I CO DAP AN

9. He …………. cross the street when the traffic light is green for pedestrians.

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