警備 (けいび) means 'security, guard, policing.' The sentence means 'The event was postponed due to security-related circumstances.' Option 4 けいび is the correct reading.
1げんひ has incorrect readings for both kanji — 警 is けい not げん, and 備 is び not ひ.
2げんび has the wrong reading for 警 (げん instead of けい).
3けいひ has the correct reading for 警 but the wrong reading for 備 (ひ instead of び). けいひ (経費) is a real word meaning 'expenses,' making it a plausible distractor.
警備 — security, guard, policing
経費 — expenses, operating costs
2.その大会は、①警備上の②都合で③延期された。
1とごう
2とあい
3つごう
4つあい
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Answer: 3. つごう
Option 3 (つごう) is correct. 都合 means 'circumstances/convenience' and is read つごう. The phrase 警備上の都合で means 'due to security-related circumstances/convenience.'
1とごう is a misreading using the wrong initial consonant (と instead of つ).
2とあい is a fabricated reading that does not correspond to any real reading of 都合.
4つあい is a plausible-looking but non-existent reading mixing つ with the あい from 合's on-yomi.
都合 — circumstances; convenience; arrangement
3.その大会は、①警備上の②都合で③延期された。
1えんき
2えんご
3ていき
4ていご
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Answer: 1. えんき
Option 1 (えんき) is correct. 延期 means 'postponement/deferral' and is read えんき. 延期された means 'was postponed.'
2えんご is the reading of 援護 (aid/backup), a lookalike with the same 延/援 confusion and 期/護 confusion.
3ていき is the reading of 定期 (fixed term/period), a plausible but wrong reading.
4ていご is a fabricated reading mixing on-yomi of 延(てい) with a wrong second character reading.
延期 — postponement; deferral
4.この①住宅は、②光が部屋の③奥まで④届くようにつくられている。
1しゅうきょ
2しゅうたく
3じゅうきょ
4じゅうたく
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Answer: 4. じゅうたく
Option 4 (じゅうたく) is correct. 住宅 means 'housing/residence' and is read じゅうたく. 住 is read じゅう (on-yomi) and 宅 is read たく (on-yomi).
1しゅうきょ is a wrong reading using しゅう for 住 (incorrect on-yomi) and きょ for 宅 (incorrect).
2しゅうたく mixes a wrong しゅう reading for 住 with the correct たく for 宅.
3じゅうきょ uses the correct じゅう for 住 but a wrong きょ for 宅.
住宅 — housing; residence; dwelling
5.この①住宅は、②光が部屋の③奥まで④届くようにつくられている。
1ひかる
2ひかり
3ひびく
4ひびき
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Answer: 2. ひかり
Option 2 (ひかり) is correct. 光 here is the noun 'light,' read ひかり. The sentence says 'light reaches the back of the room.'
1ひかる is the verb form (to shine/light up), but the sentence requires the noun 光が (light, as subject marked by が).
3ひびく is the reading of 響く (to resound/echo), a lookalike verb.
4ひびき is the reading of 響き (resonance/echo), a lookalike noun.
光 — light (noun)
6.このたなに①並んでいる②商品は③全部、④四割引きになっている。
1えらんで
2ならんで
3つかんで
4たのんで
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Answer: 2. ならんで
並んでいる is read ならんでいる, from 並ぶ (ならぶ, 'to be lined up / to stand in a row'). このたなに並んでいる商品 means 'the products lined up on this shelf.' The て-form 並んで connects to いる for the progressive/state.
1えらんで (選んで, 'choosing') is a lookalike verb with a similar shape but means 'to choose,' not 'to line up.'
3つかんで (掴んで, 'grabbing') means 'to grab/hold,' unrelated to arranging items on a shelf.
4たのんで (頼んで, 'requesting/ordering') means 'to ask/request,' semantically wrong here.
並ぶ — to be lined up, to stand in a row
並んでいる — is lined up (state of being arranged in a row)
7.このたなに①並んでいる②商品は③全部、④四割引きになっている。
1しょうひん
2せいひん
3しょうしな
4せいしな
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Answer: 1. しょうひん
商品 is read しょうひん, meaning 'merchandise' or 'goods/products' (especially items for sale in a store). In this sentence it refers to the products lined up on the shelf.
2せいひん would correspond to 製品, meaning 'manufactured goods/products' — a different word with a different kanji. The stem uses 商品, not 製品.
3しょうしな is not a valid reading for 商品; it is a distractor using the initial sound しょう- with a fabricated ending.
4せいしな is not a valid reading for 商品; it is a distractor that mimics the 製(せい) reading combined with a fabricated ending.
商品 — merchandise, goods (for sale)
製品 — manufactured goods, products
8.このたなに①並んでいる②商品は③全部、④四割引きになっている。
1ぜんぶ
2ぜんぶん
3せんぶ
4せんぶん
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Answer: 1. ぜんぶ
全部 is read ぜんぶ, meaning 'all, entirely, the whole'. Here it means 'all of the products on this shelf are 40% off.'
2ぜんぶん is not a valid reading for 全部; the distractor adds an extra ん to the correct reading.
3せんぶ is not a valid reading for 全部; it replaces ぜん with せん, possibly confusing with 千(せん).
4せんぶん is not a valid reading for 全部; it combines both errors (せん + extra ん).
全部 — all, entirely, the whole
9.このたなに①並んでいる②商品は③全部、④四割引きになっている。
1しわりびき
2よわりひき
3よつわりびき
4よんわりびき
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Answer: 4. よんわりびき
四割引き is read よんわりびき. 四 here is read よん (the common on-reading used before counter words like 割), 割 is わり (one-tenth, a discount unit), and 引き is びき (from 引く, meaning 'discount/reduction'). 四割引き means 'a 40% discount.'
1しわりびき uses し for 四, which is a valid reading in some compounds (e.g., 四月 しがつ) but not used before 割; the standard reading here is よんわり.
2よわりひき uses よ for 四, which can appear in native Japanese counting (よん/よ/よつ) but 四割 is read よんわり, not よわり.
3よつわりびき uses よつ for 四, which is the native Japanese counting form used for counting objects (e.g., 四つ よつ), but before 割 the reading is よん, not よつ.
四割引き — 40% discount, 40% off
割 — one-tenth (10%); used in discount expressions
10.この①箱の中の②お菓子を一人に十個ずつ③渡してください。
1かご
2かん
3はこ
4はん
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Answer: 3. はこ
箱 is read はこ, meaning 'box'. The sentence says 'Please give each person ten of the snacks inside this box.'
1かご means 籠, 'basket' — a different container, not 箱.
2かん means 缶, 'can/tin' — a different container, not 箱.
4はん is not a valid reading for 箱; it is a distractor that looks/sounds similar to はこ.
箱 — box
籠 — basket
缶 — can, tin
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