Fill in the Blanks Modal verb MUSTOnline version Completa las oraciones con must o mustn´t. by kelly johana 1 must must must mustn´t must mustn´t mustn´t must must mustn´t 1 . You smoke . 2 . You do your homework . 3 . You play with fire . 4 . You help in the house . 5 . You eat slow . 6 . We our homework before next friday . 7 . Peter run in the school corridor . 8 . You visit the doctor next month . 9 . You relax sometimes . 10 . You sleep all day .