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').

Notebooks are laptop computers that weigh between five and ____ pounds.\Question: Choose the right answer from options given a) ten b) seven c) nine d) one
b

Psychiatrists say that one in ____ people are mentally ill.\Question: Choose the right answer from options given a) one b) two c) four d) nine
c

Tadpoles undergo ____ remarkable changes that are easy to observe.\Question: Choose the right answer from options given a) nine b) six c) three d) seven

c