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: Most women notice their breasts become fuller and firmer within the first six to ____ weeks.\Question: Choose the right answer from options given a) four b) eight c) zero d) ten

SOLUTION: b

PROBLEM: Photosynthesis occurs in ____ phases.\Question: Choose the right answer from options given a) four b) two c) nine d) five

SOLUTION: b

PROBLEM: Spacecraft starting from the surface of Earth has a ____ initial speed.\Question: Choose the right answer from options given a) seven b) zero c) no d) two

SOLUTION:
b