YOU ARE NOT ALLOWED TO USE THIS MACHINE AFTER 5.30 P.M. A. YOU...

Câu 24. You are not allowed to use this machine after 5.30 p.m. A. You needn’t use this machine after 5.30 p.m. B. You may not use this machine after 5.30 p.m. C. You mustn’t use this machine after 5.30 p.m. D. You can not use this machine after 5.30 p.m.