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: Birds have ____ basic types of feathers.

A: three
****
Q: Gloves have ____ ridges or crevices in which the bacteria can hide.

A: no
****
Q: Eggs are placed in ____ parallel lines on plants.

A:
two
****