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: Some infected people have ____ symptoms at all.\Question: Choose the right answer from options given a) four b) eight c) no d) five

SOLUTION: c

PROBLEM: Most females are sexually mature at about ____ to six years.\Question: Choose the right answer from options given a) eight b) nine c) five d) two

SOLUTION: c

PROBLEM: Bananas are ____ mao per jin more expensive than apples.\Question: Choose the right answer from options given a) zero b) five c) eight d) six

SOLUTION:
c