🧠無料 TOEIC Part 5 練習問題(上級者向け)

TOEIC

Q1

The marketing team has decided to postpone the campaign launch ______ the new logo design is finalized.
A. until
B. unless
C. since
D. although


Q2

All applicants must submit a portfolio that clearly demonstrates their ability to work ______ deadlines.
A. for
B. under
C. on
D. between


Q3

The factory’s output has nearly doubled in the past year, largely ______ the introduction of new automated machinery.
A. because
B. thanks to
C. in spite of
D. instead of


Q4

The manager demanded that every report ______ submitted by 5 p.m. on Friday.
A. be
B. is
C. will be
D. was


Q5

The director was impressed by the intern’s ______ to detail during the presentation.
A. attentive
B. attention
C. attend
D. attending


Q6

If the new software performs as expected, it ______ significantly reduce maintenance costs.
A. can
B. must
C. should
D. has to


Q7

To ensure consistent quality, all materials used in production must be approved ______ the engineering department.
A. from
B. with
C. by
D. through


Q8

Despite being a relatively small company, TechNova has managed to expand its market share ______ aggressive marketing strategies.
A. by means of
B. in case of
C. instead of
D. apart from


Q9

The CEO expressed confidence that the new merger would create significant value for shareholders, ______ the potential risks involved.
A. because of
B. in spite of
C. in addition to
D. according to


Q10

The customer service representative apologized for the inconvenience and assured the client that the issue would be resolved ______.
A. prompt
B. promptly
C. more prompt
D. prompting



✅ 解答・詳しい解説(+目標スコア)


Q1. 正解:A(until)
📘 意味:「新しいロゴが完成するまで」。時間の継続を示す接続詞。
🎯 目標スコア:800点
💡 “until” は「〜するまで」、 “unless” は「〜しない限り」で文脈が異なる。


Q2. 正解:B(under)
📘 “work under deadlines”=「締め切りのプレッシャーの中で働く」。
🎯 目標スコア:850点
💡 “under pressure” と同じ構造。TOEICでよく出る表現。


Q3. 正解:B(thanks to)
📘 原因を表す前置詞でポジティブな理由に使われる。
🎯 目標スコア:800点
💡 “because of” よりも自然なビジネス英語。


Q4. 正解:A(be)
📘 “demand that + 主語 + 原形動詞”=仮定法現在。
🎯 目標スコア:900点
💡 “suggest, recommend, insist” などと同様の文法構造。


Q5. 正解:B(attention)
📘 “attention to detail”=「細部への注意」固定表現。
🎯 目標スコア:750点
💡 TOEICで頻出の名詞+前置詞セット。


Q6. 正解:C(should)
📘 「期待される通りに機能すれば」→「〜するはずだ」。
🎯 目標スコア:850点
💡 “should” は控えめな確信のニュアンス。


Q7. 正解:C(by)
📘 “approved by”=「〜によって承認される」受け身の基本。
🎯 目標スコア:750点
💡 “approve of” は意味が違う(賛成する)。


Q8. 正解:A(by means of)
📘 「〜という手段で」=文語的でTOEIC高得点者向け表現。
🎯 目標スコア:900点
💡 “by” だけでも意味は通るが、フォーマル度が上がる。


Q9. 正解:B(in spite of)
📘 「〜にもかかわらず」=逆接。
🎯 目標スコア:850点
💡 “despite” と同義。後に名詞句を取る点に注意。


Q10. 正解:B(promptly)
📘 “resolved promptly”=「迅速に解決される」。副詞で動詞を修飾。
🎯 目標スコア:800点
💡 “prompt” は形容詞、「すぐの」。

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