Q1.
The deadline for submitting the application has been extended ______ one week.
A. at
B. by
C. until
D. for
Q2.
Mr. Anderson is known for his ability to handle customer complaints ______.
A. professional
B. profession
C. professionally
D. professionalism
Q3.
All employees must complete the training course ______ attending the workshop.
A. before
B. during
C. while
D. since
Q4.
The marketing team decided to postpone the campaign ______ the budget was not approved.
A. although
B. because
C. unless
D. despite
Q5.
Please keep this information ______, as it contains sensitive data.
A. confidential
B. confidence
C. confidentially
D. confide
Q6.
The new system will allow users to access files more ______ than before.
A. easy
B. easier
C. easily
D. easiness
Q7.
Ms. Lee has been working at this company ______ more than ten years.
A. since
B. for
C. during
D. from
Q8.
The report must be reviewed carefully ______ it is submitted to the board.
A. after
B. while
C. before
D. unless
Q9.
The conference was canceled ______ a sudden power outage.
A. because
B. although
C. due to
D. unless
Q10.
Employees are encouraged to submit their suggestions to ______ management team.
A. a
B. an
C. the
D. —
✅ Answers・詳しい解説・目安スコア
Q1 → B
🎯 目安スコア：550点
◆ 解説
extend + by + 期間
「1週間延長された」が定番表現。
Q2 → C
🎯 目安スコア：600点
◆ 解説
動詞 handle を修飾 → 副詞 professionally。
品詞問題の王道。
Q3 → A
🎯 目安スコア：550点
◆ 解説
「ワークショップに参加する前に」
before + 動名詞／名詞。
Q4 → B
🎯 目安スコア：600点
◆ 解説
理由を述べている → because。
although / despite は逆接。
Q5 → A
🎯 目安スコア：500点
◆ 解説
keep + 形容詞
confidential information は超頻出コロケーション。
Q6 → C
🎯 目安スコア：600点
◆ 解説
access（動詞）を修飾 → 副詞 easily。
比較級は不要。
Q7 → B
🎯 目安スコア：550点
◆ 解説
for + 期間
since は「起点＋時点」。
Q8 → C
🎯 目安スコア：550点
◆ 解説
提出される前に確認
before が最も自然。
Q9 → C
🎯 目安スコア：600点
◆ 解説
due to + 名詞
a sudden power outage が名詞句。
Q10 → C
🎯 目安スコア：650点
◆ 解説
特定の管理チーム → the management team。
冠詞問題は後半レベル。
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