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').

[Q]: Bilingual teachers are more than people who speak ____ languages.\Question: Choose the right answer from options given a) five b) two c) three d) ten
[A]: b


[Q]: Motor neurons are divided into ____ groups.\Question: Choose the right answer from options given a) two b) six c) seven d) eight
[A]: a


[Q]: Scientists also list ____ other kingdoms including bacteria, archaebacteria, fungi, and protozoa.\Question: Choose the right answer from options given a) four b) two c) no d) six
[A]:
a