Break the back of

[Rich7]

Test No. incompl/advan-68 "Back Again", question 7

There's still some way to go with this latest project but I think we've ......... the back of it.

(a) smashed
(b) broken
(c) hit
(d) crashed

Test No. incompl/advan-68 "Back Again", answer 7

There's still some way to go with this latest project but I think we've broken the back of it.

Correct answer: (b) broken

Your answer was: incorrect
There's still some way to go with this latest project but I think we've smashed the back of it.
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could you refresh this one up?

[Alan]

This expression means do most of the work on a project do the major part of a job.
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English as a Second Language
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