Fill in the blank(s) in each sentence with a phrase from the box in its appropriate form. stake a claim, plow into be proportional to tread on attribute ... to, carve out sidle up breathe down sb’ s neck 5 . M y j o b i s t o c h a ll e n g e , b u t n o t t hr e a t e n t h e m . S o I m u s t b e c a r e f u l n o t t o _ _ _ _ _ __ _ _ _ _ _ t h e i r t o e s .