Q1.
The contract must be signed ______ both parties before it becomes effective.
A. to
B. by
C. with
D. for
Q2.
Ms. Rodriguez is highly regarded for her ______ attention to detail.
A. exception
B. exceptionally
C. exceptional
D. except
Q3.
The presentation was postponed ______ the speaker’s unexpected illness.
A. because
B. although
C. because of
D. unless
Q4.
All visitors are required to wear identification badges at ______ times.
A. whole
B. all
C. every
D. entire
Q5.
The finance department will review the proposal and provide feedback ______ Friday.
A. until
B. during
C. by
D. from
Q6.
The new software is designed to ______ data processing speed.
A. improvement
B. improving
C. improve
D. improved
Q7.
Please ensure that the meeting room is ______ after use.
A. clean
B. cleaning
C. cleaned
D. cleans
Q8.
Mr. Allen has been working at the company ______ more than five years.
A. since
B. during
C. from
D. for
Q9.
The advertisement was created ______ attract younger customers.
A. so that
B. in order to
C. because
D. despite
Q10.
Employees are encouraged to submit their suggestions ______.
A. freely
B. free
C. freedom
D. freeing
✅ Answers & 詳しい解説（目安スコアつき）
Q1 → B（by）
🎯 目安スコア：500点
👉 by + 行為者
「〜によって署名される」。
Q2 → C（exceptional）
🎯 目安スコア：600点
👉 名詞 attention を修飾 → 形容詞。
Q3 → C（because of）
🎯 目安スコア：550点
👉 because of + 名詞
illness は名詞。
Q4 → B（all）
🎯 目安スコア：500点
👉 at all times
超頻出の決まり表現。
Q5 → C（by）
🎯 目安スコア：500点
👉 期限 → by Friday。
Q6 → C（improve）
🎯 目安スコア：600点
👉 to + 動詞の原形
designed to improve。
Q7 → C（cleaned）
🎯 目安スコア：650点
👉 be + 過去分詞
「使用後、掃除されている状態」。
Q8 → D（for）
🎯 目安スコア：550点
👉 for + 期間
since は起点が必要。
Q9 → B（in order to）
🎯 目安スコア：600点
👉 目的を表す不定詞句。
Q10 → A（freely）
🎯 目安スコア：550点
👉 submit を修飾 → 副詞。
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