Q1.
The new policy will take effect ______ April 1.
A. in
B. on
C. at
D. by
Q2.
Ms. Clark was promoted ______ her outstanding performance.
A. because
B. because of
C. although
D. despite
Q3.
All employees are required to submit their reports ______ Friday afternoon.
A. until
B. during
C. by
D. from
Q4.
The conference room is not available today, ______ it is being renovated.
A. but
B. so
C. although
D. because
Q5.
Please review the attached document carefully before ______ it to the client.
A. send
B. sending
C. sent
D. sends
Q6.
The manager asked the staff to work ______ to meet the deadline.
A. efficient
B. efficiency
C. efficiently
D. efficienting
Q7.
This software is designed to help users ______ data more accurately.
A. analyze
B. analysis
C. analytical
D. analyzed
Q8.
The shipment arrived later than expected ______ bad weather conditions.
A. because
B. due to
C. although
D. unless
Q9.
Mr. Lee is responsible ______ organizing the annual training seminar.
A. of
B. for
C. with
D. to
Q10.
The company plans to expand its operations ______ the Asian market next year.
A. in
B. at
C. to
D. for
✅ Answers・詳しい解説・目安スコア
Q1 → B
🎯 目安スコア：500点
◆ 解説
日付の前は on + 日付。
in は月、at は時刻。
Q2 → B
🎯 目安スコア：550点
◆ 解説
because of + 名詞
→ her outstanding performance
because は文を続ける必要あり。
Q3 → C
🎯 目安スコア：550点
◆ 解説
by + 期限
「金曜午後までに」＝締切表現の王道。
Q4 → D
🎯 目安スコア：600点
◆ 解説
理由を説明しているので because。
接続詞の意味判断問題。
Q5 → B
🎯 目安スコア：600点
◆ 解説
before は前置詞 → 動名詞（-ing） が自然。
Part5頻出パターン。
Q6 → C
🎯 目安スコア：600〜650点
◆ 解説
work を修飾 → 副詞 efficiently。
形容詞・副詞の見分け。
Q7 → A
🎯 目安スコア：550点
◆ 解説
help + 動詞の原形
help analyze が正解。
Q8 → B
🎯 目安スコア：600点
◆ 解説
due to + 名詞
bad weather conditions が名詞句。
Q9 → B
🎯 目安スコア：650点
◆ 解説
be responsible for 〜
前置詞セット問題はPart5超頻出。
Q10 → C
🎯 目安スコア：600点
◆ 解説
expand to + 市場／地域
ビジネス表現の定番コロケーション。
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