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').

[EX Q]: Most children experience at least one episode by the time they are ____ years old.\Question: Choose the right answer from options given a) eight b) one c) ten d) seven
[EX A]: d

[EX Q]: All birds have ____ legs with four toes each.\Question: Choose the right answer from options given a) zero b) one c) three d) two
[EX A]: d

[EX Q]: Roses have ____ leaf buds and can produce three sets of leaves.\Question: Choose the right answer from options given a) three b) no c) nine d) zero
[EX A]:
a