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Q1.

The company plans to ______ its operations in Southeast Asia next year.

A. expand
B. expansion
C. expanded
D. expanding

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Q2.

All applicants must submit the required documents ______ Friday.

A. until
B. during
C. by
D. since

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Q3.

The manager asked the staff to complete the task as ______ as possible.

A. quick
B. quickly
C. quicker
D. quickest

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Q4.

The training session was postponed ______ a scheduling conflict.

A. because
B. although
C. because of
D. despite

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Q5.

Ms. Adams has been responsible ______ coordinating the annual conference.

A. for
B. to
C. with
D. at

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Q6.

The new software is designed to improve overall work ______.

A. efficiently
B. efficiency
C. efficient
D. efficiencies

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Q7.

Employees are encouraged to review the guidelines ______ carefully before the meeting.

A. them
B. theirs
C. themselves
D. their

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Q8.

The report provides ______ analysis of recent market trends.

A. detail
B. detailing
C. detailed
D. details

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Q9.

The office will remain closed ______ the national holiday.

A. during
B. while
C. because
D. unless

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Q10.

The client expressed ______ with the quality of the service.

A. satisfy
B. satisfaction
C. satisfied
D. satisfying

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✅ Answers・詳しい解説・目安スコア

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Q1 → A（expand）

🎯 目安スコア：600点

👉 plan to + 動詞の原形。

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Q2 → C（by）

🎯 目安スコア：500点

👉 by + 期限。

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Q3 → B（quickly）

🎯 目安スコア：550点

👉 動詞 complete を修飾 → 副詞。

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Q4 → C（because of）

🎯 目安スコア：600点

👉 because of + 名詞。

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Q5 → A（for）

🎯 目安スコア：650点

👉 be responsible for ～。

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Q6 → B（efficiency）

🎯 目安スコア：600点

👉 improve + 名詞。

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Q7 → D（their）

🎯 目安スコア：700点

👉 guidelines を修飾する所有形容詞。

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Q8 → C（detailed）

🎯 目安スコア：550点

👉 analysis を修飾する形容詞。

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Q9 → A（during）

🎯 目安スコア：500点

👉 during + 名詞（期間）。

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Q10 → B（satisfaction）

🎯 目安スコア：600点

👉 express + 名詞。