極端 is read きょくたん, meaning 'extreme' or 'extremely.' In this sentence it modifies 減った ('decreased'), so 極端に減った means 'decreased extremely.' Option 3 correctly gives きょくたん.
1きょたん is missing the く that appears in the reading of 極 (きょく).
2きょてん uses てん instead of たん for the second kanji 端.
4きょくてん has the correct reading for 極 but the wrong reading for 端 (たん, not てん).
極端 — extreme; extremely
客数 — number of customers
2.食事が済んだら、食器はここに戻してください。
1かえして
2のこして
3わたして
4もどして
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Answer: 4. もどして
戻して is the te-form of 戻す (もどす), meaning 'to put back / return something to its original place.' The sentence asks the listener to put the dishes back here after finishing the meal. Option 4 correctly gives もどして.
1かえして is the te-form of 返す (かえす), which can mean 'to return' but is used for returning borrowed things or replying, not for putting an object back in its place.
2のこして is the te-form of 残す (のこす), meaning 'to leave behind,' which does not fit the context of returning dishes.
3わたして is the te-form of 渡す (わたす), meaning 'to hand over,' which does not fit here.
戻して — te-form of 戻す: put back, return (something to its place)
食器 — tableware, dishes
3.この効果はどのくらい継続するのだろう。
1じぞく
2けいぞく
3じそく
4けいそく
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Answer: 2. けいぞく
継続 is read けいぞく, meaning 'continuation / to continue.' The sentence asks how long this effect will continue. Option 2 correctly gives けいぞく.
1じぞく has the wrong reading for 継; the on-yomi is けい, not じ.
3じそく has wrong readings for both kanji.
4けいそく has the correct reading for 継 but the wrong reading for 続 (ぞく, not そく).
継続 — continuation; to continue
効果 — effect
4.これらの経費は除いて計算してください。
1のぞいて
2はぶいて
3ぬいて
4ひいて
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Answer: 1. のぞいて
除いて is the te-form of 除く (のぞく), meaning 'to exclude / leave out.' The sentence says to calculate excluding these expenses. Option 1 correctly gives のぞいて.
2はぶいて is the te-form of 省く (はぶく), which also means 'to omit/skip' and is plausible, but the kanji 除く is specifically read のぞく.
3ぬいて is the te-form of 抜く (ぬく), meaning 'to pull out / remove,' not the reading of 除く.
4ひいて is the te-form of 引く (ひく), meaning 'to pull/draw,' not the reading of 除く.
除いて — te-form of 除く: exclude, leave out
経費 — expenses
5.A国とB国の間で盛んに貿易が行われている。
1もうえき
2ぼうえき
3もうい
4ぼうい
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Answer: 2. ぼうえき
貿易 is read ぼうえき, meaning 'trade (international).' The sentence says trade is actively conducted between country A and country B. Option 2 correctly gives ぼうえき.
1もうえき uses the wrong reading for 貿 (ぼう, not もう).
3もうい uses wrong readings and drops the second kanji entirely.
4ぼうい has the correct reading for 貿 but the wrong reading for 易 (えき, not い).
貿易 — trade (international)
盛んに — actively, flourishingly
6.くわしいことは、あとで担当の先生に聞いてください。
1許しい
2詳しい
3討しい
4評しい
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Answer: 2. 詳しい
「くわしい」means 'detailed/informed' and is written 詳しい. The sentence means 'For details, please ask the teacher in charge later.'
1許しい is not a real word; 許 is used in 許す (ゆるす, to forgive/permit) and has the reading ゆる, not くわ.
3討しい is not a real word; 討 appears in 討つ (うつ, to attack) with reading う.
4評しい is not a real word; 評 appears in 評価 (ひょうか, evaluation) with reading ひょう.
詳しい — detailed, well-informed
7.兄は学費のえんじょを受けて大学に通いました。
1補助
2援財
3補財
4援助
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Answer: 4. 援助
「えんじょ」means 'aid/assistance' and is written 援助. The sentence means 'My older brother received financial assistance for his school expenses and attended university.'
1補助 is read ほじょ, meaning 'supplement/subsidy'—a real word but wrong reading for えんじょ.
2援財 is not a real word; it mixes 援 (えん) with a fabricated kanji combination.
3補財 is not a real word; it mixes 補 (ほ) with a fabricated kanji combination.
援助 — aid, assistance, support
8.物を入れすぎて袋がやぶれてしまった。
1被れて
2割れて
3破れて
4削れて
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Answer: 3. 破れて
「やぶれて」is the te-form of 破れる (to tear/get torn). The sentence means 'I put too many things in and the bag tore.'
1被れる is not a real word; 被 is used in 被る (かぶる, to put on/wear) with reading かぶ.
2割れて is read われて, from 割れる (to break/crack)—used for hard things like glass, not for tearing a bag.
4削れて is read けずれて, from 削れる (to be shaved/chipped)—wrong meaning and reading.
破れる — to tear, to be torn
9.これは少しめんどうな仕事ですね。
1面到
2免倒
3面倒
4免到
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Answer: 3. 面倒
「めんどう」means 'troublesome/bothersome' and is written 面倒. The sentence means 'This is a somewhat troublesome job, isn't it.'
1面到 is not a real word; 到 means 'arrive' and does not fit.
2免倒 is not a real word; 免 is used in 免許 (めんきょ, license) and has the right reading めん, but the combination is fabricated.
4免到 is not a real word; it combines two kanji with the right readings but forms no actual word.
面倒 — trouble, bother, troublesome
10.家に帰る途中、手帳をひろった。
1拾った
2採った
3捨てた
4授った
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Answer: 1. 拾った
「ひろった」is the past tense of 拾う (ひろう, to pick up). The sentence means 'On the way home, I picked up a notebook.'
2採った is read とった, from 採る (to take/gather/harvest)—wrong reading and meaning.
3捨てた is read すてた, from 捨てる (to throw away)—opposite meaning and different reading.
4授った is read さずかった, from 授かる (to receive/be given)—wrong reading and meaning.
拾う — to pick up (something dropped/found)
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