TASK DEFINITION: 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').
PROBLEM: Grasshoppers can fly at speeds up to ____ miles per hour.\Question: Choose the right answer from options given a) eight b) seven c) two d) nine

SOLUTION: a

PROBLEM: Batteries consist of ____ electrodes immersed in an electrolyte.\Question: Choose the right answer from options given a) two b) eight c) three d) seven

SOLUTION: a

PROBLEM: Solar panels charge up the battery in about ____ hours.\Question: Choose the right answer from options given a) six b) ten c) two d) eight

SOLUTION:
a