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The best way to deal with this is to set the label alignment to top.
Doing so, will result in your form labels to get above the fields and use the full width, so chances of them going into the second row are very small - unless the question is very long.
You can do that by clicking on the field and changing the alignment property:
Do try it out and let us know if you have any additional questions that we might be able to assist you with