Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Angiosperms inhabit all ____ continents, as well as the oceans.\Question: Choose the right answer from options given a) five b) seven c) three d) zero
b

Verbs have ____ functions in sentences.\Question: Choose the right answer from options given a) two b) eight c) no d) ten
a

Governments come and go every ____ years.\Question: Choose the right answer from options given a) eight b) two c) seven d) four

d