F. Match sentences with their corresponding functions. Choose among the below box: (2 marks: 0.5 x 4) Absence of necessity - suggestion-advice- prohibition- obligation Sentences How about making a restriction on children's use of internet? 21...... 22.............. You mustn't use your cell phone here in our classroom! A student needn't carry their phone all the time. You ought to handle your gadget with care. 23........... 24....... Functions​