Negative Inversion — Only By, Only Then (C2)

Only by investing in training ___ improve productivity in the long run.

Only then ___ the full scale of the damage.

Only after the results came in ___ how close the election had been.

Only in this way ___ hope to reduce emissions in time.

Only later ___ that she had been right all along.

Only by working together ___ a solution to a problem of this scale.

Only when the contract is signed ___ work on site.

Only once ___ such a spectacular sunrise over the mountains.

Only if you apologize sincerely ___ to forgive what you said.

Only after months of difficult negotiation ___ to a workable agreement.

Only by reading widely ___ a rich and varied vocabulary.

Only then ___ how serious the consequences of the leak would be.

Only senior staff ___ access to the secure archive.

Only by chance ___ the error before the report went to print.

Only after the storm had finally passed ___ the cut-off village.