Q1.
The new policy will take effect ______ July 1.
A. on
B. in
C. at
D. by
Q2.
All employees must submit their reports ______ the end of the month.
A. until
B. during
C. by
D. for
Q3.
The manager was impressed ______ the team’s quick response.
A. for
B. with
C. at
D. on
Q4.
Please let me know if you have any questions ______ the schedule.
A. regarding
B. regard
C. regarded
D. regards
Q5.
The meeting was postponed ______ several key members were absent.
A. despite
B. although
C. because
D. due
Q6.
The company plans to ______ its customer support services next year.
A. expansion
B. expanded
C. expanding
D. expand
Q7.
Ms. Lee has worked at this company ______ more than five years.
A. since
B. for
C. during
D. from
Q8.
The brochure provides ______ information about the new product line.
A. detail
B. detailing
C. detailed
D. details
Q9.
Employees are required to follow the rules ______ in the handbook.
A. list
B. listing
C. listed
D. lists
Q10.
The presentation was ______ organized and easy to understand.
A. clear
B. clearly
C. clarity
D. clears
✅ Answers・詳しい解説・目安スコア
Q1 → A（on）
🎯 目安スコア：500点
👉 日付の前は on。
on July 1 は超頻出。
Q2 → C（by）
🎯 目安スコア：550点
👉 by + 期限 = 「〜までに」。
TOEIC鉄板。
Q3 → B（with）
🎯 目安スコア：600点
👉 be impressed with ～
前置詞コロケーション問題。
Q4 → A（regarding）
🎯 目安スコア：600点
👉 regarding = 「〜に関して」
フォーマル文書で頻出。
Q5 → C（because）
🎯 目安スコア：550点
👉 because + SV
理由を説明する接続詞。
Q6 → D（expand）
🎯 目安スコア：600点
👉 plan to + 動詞の原形
文法の王道。
Q7 → B（for）
🎯 目安スコア：500点
👉 for + 期間
since は起点、for は長さ。
Q8 → C（detailed）
🎯 目安スコア：600点
👉 information を修飾する形容詞が必要。
Q9 → C（listed）
🎯 目安スコア：650点
👉 過去分詞の形容詞用法。
rules listed in the handbook。
Q10 → B（clearly）
🎯 目安スコア：550点
👉 organized を修飾 → 副詞。
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