Q1.
The meeting will start ______ 10 a.m.
(A) on
(B) at
(C) in
(D) by
Q2.
Ms. Tanaka ______ the report yesterday.
(A) finish
(B) finishes
(C) finished
(D) finishing
Q3.
Our office is closed ______ weekends.
(A) in
(B) on
(C) at
(D) by
Q4.
The new manager is very easy to ______.
(A) talk
(B) talking
(C) talks
(D) talk to
Q5.
Please ______ the form before Friday.
(A) complete
(B) completed
(C) completing
(D) completes
Q6.
The company will open a new branch ______ March.
(A) at
(B) in
(C) on
(D) to
Q7.
Mr. Lee has worked here ______ five years.
(A) during
(B) for
(C) since
(D) by
Q8.
Employees must arrive ______ time.
(A) in
(B) on
(C) at
(D) for
Q9.
The presentation was ______ interesting that everyone stayed until the end.
(A) so
(B) very
(C) enough
(D) too
Q10.
Thank you for ______ our event.
(A) invite
(B) invited
(C) inviting
(D) invites
✅ 答え & 詳しい解説（＋目標スコア）
Q1 → (B) at
“時刻の前は at” が基本。
🎯 目標：400点
Q2 → (C) finished
“yesterday” があるので過去形。
🎯 目標：350点
Q3 → (B) on
“曜日や特定の日 → on” を使う。
🎯 目標：400点
Q4 → (D) talk to
“talk to 人” がセットの語法。
🎯 目標：450点
Q5 → (A) complete
Please の後は 動詞の原形。
🎯 目標：450点
Q6 → (B) in
“月の前 → in March”。
🎯 目標：350点
Q7 → (B) for
“for ＋ 期間” → 5年間ずっと。
🎯 目標：500点
Q8 → (B) on
“on time = 時間通りに”。
🎯 目標：450点
Q9 → (A) so
“so + 形容詞 + that…” の形。
🎯 目標：500点
Q10 → (C) inviting
“Thank you for ＋ 動詞 ing” が正しい。
🎯 目標：450点
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