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.

[EX Q]: Rabbinic literature is made up of ____ major kinds of works.
[EX A]: five

[EX Q]: Flat screens come in ____ varieties, analog and digital.
[EX A]: two

[EX Q]: Wings are supposed to have evolved in at least ____ different groups as analogous structures.
[EX A]:
four