Use "fill the gap," but fill in the blanks.
Fill the gap with sand.
leave a gap
I'd much prefer to fill in Old Navy
True
The fill command may just fill to the boundaries
a gap-fill test is an exercise in which words are removed from a text and replaced with spaces. The learner has to fill each space with the missing word or a suitable word.
Magma wells up as the plates move apart and fill some of the gap.
by welding we add some filler material which will fill the gap between the joint.
Get Ventures seen it in jeremy Kyle
A gap open is when the opening price of a stock is above (gap up) or below (gap down) the previous evening's closing price.The price of security will often retrace to fill the gap after the market opens and stabilizes. This is gap filling.
Fill it with water; it sinks. Fill it with air, it rises.