Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[Q]: Bulbs bloom ____ to six weeks after planting.
[A]: four

[Q]: Groundhogs usually have ____ separate dens.
[A]: two

[Q]: Aromatherapy is derived from ____ words.
[A]:
two