Q1
The report was due yesterday, but Mr. Tanaka has not submitted it ______.
A. already
B. yet
C. still
D. just
Q2
The company has decided to relocate its headquarters to Osaka ______ reduce operating costs.
A. because
B. despite
C. in order to
D. so that
Q3
Our new intern showed great enthusiasm during her first week, ______ she quickly adapted to the company’s workflow.
A. therefore
B. although
C. because
D. unless
Q4
The new accounting system is designed to process transactions more ______ than the previous version.
A. efficient
B. efficiency
C. efficiently
D. efficiency’s
Q5
The CEO expressed confidence that the company would meet its annual target, ______ recent challenges in the market.
A. because of
B. in spite of
C. instead of
D. apart from
Q6
All staff members must complete the cybersecurity training by Friday, ______ they will lose access to internal systems.
A. and
B. but
C. or
D. so
Q7
Please note that the seminar has been postponed until next Thursday ______ unforeseen circumstances.
A. due to
B. according to
C. because
D. since
Q8
The management team is considering ______ the office layout to improve communication among employees.
A. rearrange
B. rearranging
C. to rearrange
D. rearranged
Q9
The new marketing campaign was not as successful as expected, partly ______ the lack of online promotion.
A. due to
B. because
C. despite
D. unless
Q10
All orders placed before 3 p.m. will be shipped on the same day, ______ they include custom-made products.
A. unless
B. because
C. if
D. although
✅ 解答・詳しい解説（＋目標スコア）
Q1. 正解：B（yet）
📘 「まだ〜していない」＝否定文で “yet”。
🎯 目標スコア：750点
💡 “still”は肯定文で「依然として」、混同注意。
Q2. 正解：C（in order to）
📘 「〜するために」＝目的を表す不定詞句。
🎯 目標スコア：800点
💡 “so that” も目的だけど、後ろに主語＋動詞が必要。
Q3. 正解：A（therefore）
📘 前文「意欲的だった」→ 結果「すぐ慣れた」。因果関係が自然。
🎯 目標スコア：850点
💡 接続副詞問題では前後の論理を見抜こう。
Q4. 正解：C（efficiently）
📘 副詞で「より効率的に」。修飾対象は動詞“process”。
🎯 目標スコア：700点
💡 品詞の区別を確実に！
Q5. 正解：B（in spite of）
📘 「〜にもかかわらず」＝逆接。
🎯 目標スコア：800点
💡 “despite”も同義だが “of” の有無に注意。
Q6. 正解：C（or）
📘 「〜しなければ〜だ」→条件・結果をつなぐ。
🎯 目標スコア：850点
💡 TOEICでは警告文・注意文でよく出る。
Q7. 正解：A（due to）
📘 「〜のために」＝原因・理由。
🎯 目標スコア：750点
💡 “due to” の後は名詞句、“because” の後は節。
Q8. 正解：B（rearranging）
📘 “consider + 動名詞” の定型構文。
🎯 目標スコア：850点
💡 “consider to do” は誤りなので要注意。
Q9. 正解：A（due to）
📘 「〜のために」＝原因。直後に名詞が続く。
🎯 目標スコア：800点
💡 “because” は節が来る → 文法的判断がポイント。
Q10. 正解：A（unless）
📘 「〜でない限り」＝条件を限定。
🎯 目標スコア：850点
💡 “unless”はTOEIC頻出！文全体の条件構造を意識。
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