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: Teething begins for most babies around ____ to six months.\Question: Choose the right answer from options given a) three b) four c) five d) seven

SOLUTION: b

PROBLEM: Conglomerate integration is when ____ apparently unconnected companies merge.\Question: Choose the right answer from options given a) two b) six c) no d) three

SOLUTION: a

PROBLEM: Organisms usually have ____ basic needs .\Question: Choose the right answer from options given a) no b) five c) zero d) four

SOLUTION:
b