❓ Questions（10 Questions）
Q1.
The finance department will review the budget proposal ______ the end of the month.
A. at
B. by
C. during
D. until
Q2.
Ms. Clark was praised for her ______ handling of customer complaints.
A. profession
B. professional
C. professionally
D. professionalism
Q3.
All applicants must submit the required documents ______ applying for the position.
A. after
B. during
C. before
D. until
Q4.
The new software system is expected to significantly ______ operating costs.
A. reduce
B. reduces
C. reducing
D. reduction
Q5.
The seminar was canceled due to a lack of ______ registrations.
A. enough
B. sufficient
C. sufficiently
D. sufficiency
Q6.
Each of the department managers ______ required to attend the annual meeting.
A. are
B. were
C. is
D. be
Q7.
Please ensure that the report is submitted ______ accurate data.
A. based on
B. base on
C. basing on
D. is based on
Q8.
The marketing campaign was more successful ______ expected.
A. as
B. than
C. from
D. with
Q9.
Employees are encouraged to participate in training programs to enhance their ______.
A. perform
B. performing
C. performance
D. performed
Q10.
The office will remain closed on Friday ______ the public holiday.
A. because
B. although
C. due to
D. despite
✅ Answers & 詳しい解説（目安スコアつき）
Q1 → B（by）
🎯 目安スコア：550点
👉 by = 期限
until は「〜までずっと」なので不可。
Q2 → B（professional）
🎯 目安スコア：600点
👉 名詞 handling を修飾 → 形容詞。
Q3 → C（before）
🎯 目安スコア：500点
👉 応募の「前」に書類提出。
Q4 → A（reduce）
🎯 目安スコア：550点
👉 be expected to + 動詞原形。
Q5 → B（sufficient）
🎯 目安スコア：600点
👉 registrations（名詞）を修飾 → 形容詞。
Q6 → C（is）
🎯 目安スコア：650点
👉 each of 〜 → 単数扱い。
Q7 → A（based on）
🎯 目安スコア：650点
👉 be based on = 〜に基づいて
TOEIC超頻出コロケーション。
Q8 → B（than）
🎯 目安スコア：500点
👉 比較級 + than。
Q9 → C（performance）
🎯 目安スコア：600点
👉 enhance + 名詞。
Q10 → C（due to）
🎯 目安スコア：550点
👉 due to + 名詞
because は接続詞なので不可。
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