Our World 6 Unit 7
Help
Boots must be _____ on a mountain. (wear)
worn
The safety equipment _____ be checked before going on an expedition. (have to)
has to
Dangerous places _____ be entered alone.
can't/mustn't/shouldn't
Unlock this slideshow and over 4 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies