It was not until she had finished all her work_____.
A、didshereturnB
“itisnotuntilthat⋯⋯”是强调句型，“that”引导的从句用正常语序，而以“notuntil⋯⋯”开头的句子中谓语要用倒装形式。
It‘s_____mypowertomakefinaldecisiononthematter.
Theteachergave_____theexaminationpaper.
Williamhascuthissmoking_____tofivecigarettesaday.
I‘vebeentellingyou_____nottodothat，butyounevelistenedtome.That’swhyyougotintotrouble.
Two-thirdsofhisproperty_____lostinthefire.
