(問1)make a [ ] effort　むだな努力をする(問題ID:823)

• vital
• valid
• vain
• vein

(問2)a [ ] interest in science　科学に対する真の関心(問題ID:812)

• genuine
• general
• genetic
• generous

(問3)[ ] effort　最小の努力(問題ID:815)

• minimum
• maximum
• minor
• miner

(問4)a [ ] number of people　相当な数の人々(問題ID:839)

• subsidiary
• subjective
• substantial
• subsequent

(問5)an [ ] silence　気まずい沈黙(問題ID:829)

• awkward
• abrupt
• artificial
• awful

(問6)a person of [ ] birth　高貴な生まれの人(問題ID:822)

• naughty
• noble
• notorious
• notable

(問7)I have a dog and a cat. The [ ] is bigger.　犬と猫を飼っているが，後者の方が大きい(問題ID:817)

• latest
• latter
• lately
• later

(問8)a [ ] experience 　苦い経験(問題ID:818)

• bitter
• bold
• brutal
• boring

(問9)[ ] computer technology　高度なコンピュータ技術(問題ID:816)

• sophomore
• syndromic
• sophisticated
• synthetic

(問10)a [ ] dress　控えめな服装(問題ID:813)

• moist
• mortal
• modest
• moderate