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: Granite occurs in ____ separate masses.\Question: Choose the right answer from options given a) two b) eight c) nine d) no

SOLUTION: a

PROBLEM: Diatoms look like ____ shells that fit together.\Question: Choose the right answer from options given a) zero b) one c) two d) seven

SOLUTION: c

PROBLEM: Gymnosperms comprise ____ divisions.\Question: Choose the right answer from options given a) seven b) two c) four d) one

SOLUTION:
c