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').

Sea stars have ____ arms, or rays, connected to a small round body.\Question: Choose the right answer from options given a) five b) six c) seven d) no
a

Embrasures have ____ functions.\Question: Choose the right answer from options given a) three b) seven c) zero d) nine
a

Rain falls at ____ different speeds.\Question: Choose the right answer from options given a) three b) eight c) seven d) ten

a