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').

Most people have ____ kidneys.\Question: Choose the right answer from options given a) two b) five c) seven d) six
a

Cats have ____ toes on their front paws, but only four touch the ground when walking.\Question: Choose the right answer from options given a) six b) nine c) five d) zero
c

Electricity can move around a circuit in ____ different ways.\Question: Choose the right answer from options given a) three b) two c) nine d) six

b