Page 5 - Must should jaya negara1

The use of modal auxiliaries must, have to, and should in the dialogue

Source: https://learnenglishteens.britishcouncil.org/grammar/beginner-grammar/have-must-should-obligation-
advice

Exercises:

http://digitalcampus.free.fr/Level2/Unit24/SubUnit242/QCMChooseBest01.jqz.htm