Must, mustn't, have to, don't have to

Help

Until the age of 16, children _____ go to school.

have to

I _____ stop smoking, it's bad for my health.

must

I _______ call my grandma tomorrow. I haven't talked to her for too long!

must

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows