Writing question

[desi_chick]

<p>Mediators were standing by, prepared (to intervene in) the labor dispute (even though) both sides (had refused) earlier offers (for) assistance. (No Error)</p>

<p>the parenthesses was meant to be underlined.
oh and the answer is for. i don't get what's wrong with that.</p>

[angelin]

<p>Offers of* assistance maybe?
Just what I’d guess</p>

[xxrunningonempty]

<p>I would guess “of” assistance as well, although I pretty sure I wouldn’t that up if it were on the test.</p>

[jamesford]

<p>“offers for” is unidiomatic and should be replaced by the more idiomatic “offers of.”</p>