Question

I have got no savings to fall back ..... Fill with an appropriated word

Answer 1

Hey dear!
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Answer -  " on "

After filling in the blanks the sentence will look as-

I have got no savings to fall back ......on.........

"Fall back on " is a phrase.

Meaning- To rely or depend on something or someone in need that one has as a reserve. 

Example - our bank deposits or our goodwill among our relations.

The sentence given in the question slot means that I have no money saved for the future exigencies.

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