Q1.
The training session has been rescheduled ______ next Friday.
A. at
B. on
C. in
D. by
Q2.
Employees are required to submit their expense reports ______ the end of the month.
A. until
B. by
C. during
D. from
Q3.
The new policy was implemented to ______ employee satisfaction.
A. improvement
B. improved
C. improve
D. improving
Q4.
Ms. Carter was praised for her ______ handling of customer complaints.
A. profession
B. professional
C. professionally
D. professionalism
Q5.
The report contains ______ information about last quarter’s sales performance.
A. detail
B. detailed
C. detailing
D. details
Q6.
Please make sure all documents are ______ before being sent to the client.
A. review
B. reviewing
C. reviewed
D. reviews
Q7.
The manager asked whether the proposal had been ______ by the legal department.
A. approve
B. approved
C. approving
D. approval
Q8.
The office will remain closed ______ the national holiday.
A. during
B. by
C. until
D. for
Q9.
Mr. Kim has worked in the finance department ______ 2019.
A. for
B. since
C. during
D. from
Q10.
Customers are advised to read the instructions ______ before using the equipment.
A. careful
B. carefully
C. care
D. caring
✅ Answers & 詳しい解説（目安スコアつき）
Q1 → B（on）
🎯 目安スコア：500点
👉 日付・曜日の前 → on。
Q2 → B（by）
🎯 目安スコア：500点
👉 期限を表す → by the end of ～。
Q3 → C（improve）
🎯 目安スコア：600点
👉 to + 動詞の原形
目的を表す不定詞。
Q4 → B（professional）
🎯 目安スコア：600点
👉 名詞 handling を修飾 → 形容詞。
Q5 → B（detailed）
🎯 目安スコア：550点
👉 information を修飾 → 形容詞。
Q6 → C（reviewed）
🎯 目安スコア：650点
👉 be + 過去分詞
「書類がレビューされている状態」。
Q7 → B（approved）
🎯 目安スコア：600点
👉 過去完了形（had been + p.p.）。
Q8 → A（during）
🎯 目安スコア：500点
👉 during + 名詞（期間中）。
Q9 → B（since）
🎯 目安スコア：550点
👉 since + 起点。
Q10 → B（carefully）
🎯 目安スコア：600点
👉 動詞 read を修飾 → 副詞。
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