You ... be quiet in the classroom 1) mustn` t 2) must 3) can`t помогите пж!!!!!!!!...

Question

You ... be quiet in the classroom 1) mustn` t 2) must 3) can`t помогите пж!!!!!!!! Очень сильно надо!!!!

Answer 1

Ответ:

You ... be quiet in the classroom

.

1) mustn`t 2) "must" 3) can`t