Modal Verbs (have to, must, should) and Phone Language

Modal Verbs (have to, must, should) and Phone Language
Modal Verbs (have to, must, should) and Phone Language
Modal Verbs (have to, must, should) and Phone Language
Modal Verbs (have to, must, should) and Phone Language

คำแนะนำของผู้เขียน

Modal verbs expressing obligation, prohibition
Phone language vocabulary