📨 Set 1：社内メール
Subject: Schedule Adjustment for the Quarterly Meeting
Dear Team,
Please note that our quarterly meeting originally planned for October 12 will be rescheduled to October 18 due to the CEO’s business trip.
The agenda will remain unchanged, and the meeting will start at 2:00 p.m. in Conference Room A.
We apologize for any inconvenience this may cause and appreciate your flexibility. ______.
(1)
A. Refreshments will be provided after the meeting.
B. The agenda will be announced next week.
C. Please confirm your attendance by Friday.
D. Attendance is optional for senior staff.
📰 Set 2：社内ニュースレター
Monthly Staff Highlight – October Issue
This month, we would like to recognize Ms. Rika Aoki from the Product Development Department.
She led the redesign of our mobile app interface, resulting in a 25% increase in user engagement.
Her leadership and creativity have set a new standard for our design team. ______.
(2)
A. She will be transferring to the sales department next month.
B. Congratulations, Rika, on your outstanding contribution!
C. The company has decided to suspend her current project.
D. Her proposal for the next quarter was not approved.
🛒 Set 3：広告文
Introducing the All-New AquaPure Water Filter!
Tired of replacing your water filters every few months? The new AquaPure X lasts up to one year and removes 99% of contaminants.
It’s easy to install, eco-friendly, and backed by a two-year warranty.
Order now and get free shipping for a limited time! ______.
(3)
A. This offer is valid until the end of this month.
B. The product is currently unavailable for international orders.
C. The AquaPure X will be discontinued soon.
D. Warranty coverage begins two years after purchase.
🏢 Set 4：社内通知
Notice: Building Maintenance
Please be informed that Building C will undergo maintenance from November 4–6.
During this time, access to the elevators will be limited, and some areas may experience noise.
We recommend using Building B for meetings or client visits. ______.
(4)
A. We apologize for the inconvenience and appreciate your understanding.
B. Employees are not allowed to enter Building B during this period.
C. The maintenance work has been postponed indefinitely.
D. Please bring your own tools if you plan to assist the maintenance team.
✅ 解答・詳しい解説（＋目標スコア）
(1) 正解：C（Please confirm your attendance by Friday.）
📘 最後の一文は「読者への行動依頼」が自然。日程変更メールの典型的な締め。
🎯 目標スコア：850点
💡 “We apologize for any inconvenience” の後には、次に取るべき行動（confirm）が続くのが定番パターン。
(2) 正解：B（Congratulations, Rika, on your outstanding contribution!）
📘 「称賛」→「成果」→「お祝い」という流れが自然。
🎯 目標スコア：900点
💡 ニュースレターなどでは “Congratulations + 人名 + on 〜” の定型表現が頻出。
(3) 正解：A（This offer is valid until the end of this month.）
📘 “free shipping for a limited time” の補足説明として最も論理的。
🎯 目標スコア：800点
💡 広告文では「期間限定・特典・保証期間」などの具体化文が後に来ることが多い。
(4) 正解：A（We apologize for the inconvenience and appreciate your understanding.）
📘 案内・注意文の締めとして自然な表現。
🎯 目標スコア：850点
💡 “We appreciate your understanding” はTOEIC定番のビジネス表現。
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