【問題】

1. The meeting will start ___ 10 a.m.

A. at
B. on
C. in
D. by

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2. Mr. Tanaka ___ to work early every day.

A. come
B. comes
C. came
D. coming

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3. Please ___ the form before Friday.

A. complete
B. completed
C. completing
D. completion

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4. The new manager is very ___ by the staff.

A. respect
B. respected
C. respecting
D. respects

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5. We will send you an e-mail ___ your order is ready.

A. although
B. but
C. when
D. because

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6. The company will hire two ___ employees next month.

A. new
B. newly
C. news
D. newest

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7. The report is due ___ next Monday.

A. in
B. on
C. by
D. at

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8. Ms. Suzuki is responsible ___ customer support.

A. to
B. with
C. for
D. at

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9. The project was delayed ___ bad weather.

A. because
B. because of
C. as
D. since

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10. Our office will be closed ___ the holiday.

A. during
B. while
C. when
D. until

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✅ 【解答 & 詳しい解説（初心者向け・目標スコア付き）】

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1. 正解：A at

時間の前は at を使う。
✔ at 10 a.m.
🎯 目標スコア：300点〜

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2. 正解：B comes

主語が Mr. Tanaka（＝三人称単数） → 動詞には s が必要。
🎯 目標スコア：300点〜

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3. 正解：A complete

「Please + 動詞の原形」が基本。
🎯 目標スコア：350点〜

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4. 正解：B respected

「be + 過去分詞」＝「〜に尊敬されている」。受け身の形。
🎯 目標スコア：350〜450点

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5. 正解：C when

「〜のとき」→ when
文の流れ的に最も自然。
🎯 目標スコア：350点〜

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6. 正解：A new

名詞（employees）を修飾するのは形容詞 → new
🎯 目標スコア：300点〜

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7. 正解：C by

「期限」＝ by（〜までに）
🎯 目標スコア：400点〜

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8. 正解：C for

「be responsible for ～」は熟語。
🎯 目標スコア：350点〜

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9. 正解：B because of

後ろに名詞（bad weather）が来ている → because of
🎯 目標スコア：400点〜

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10. 正解：A during

「期間中」＝ during
「休日の間」→ during the holiday
🎯 目標スコア：300〜350点