Must / Can't for Logical Deduction

Must / Can't for Logical Deduction — Bài Tập 2

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Must / Can't for Logical Deduction — Bài Tập 2

Luyện tập ngữ pháp tiếng Anh chủ đề Must / Can't for Logical Deduction qua 10 câu hỏi trắc nghiệm. Trả lời đúng ít nhất 70% để hoàn thành bài.

Use must and can't to express logical deduction — must for near-certain positive conclusions and can't for near-certain negative ones. Includes past deductions with must have and can't have.

B2 · Upper Intermediate TOEIC 605–780 IELTS 5.5–6.5 Modality (Modal Verbs)
10 câu hỏi Điểm qua: 70% Bài 2

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  1. 1

    The baby is smiling and laughing. He ______ be happy.

  2. 2

    The detective found the suspect's fingerprints all over the crime scene. The suspect ______ have been there.

  3. 3

    The lights in their house are off and it's midnight. They ______ be asleep.

  4. 4

    He solved the Rubik's Cube in under 10 seconds. He ______ have practiced a lot.

  5. 5

    You've been on a plane for 12 hours. You ______ be exhausted.

  6. 6

    The car won't start and the lights won't turn on. The battery ______ be dead.

  7. 7

    He's only 10 years old. He ______ be a doctor.

  8. 8

    The DNA evidence from the scene is a perfect match to the suspect. From a legal standpoint, he ______ be the one who was there.

  9. 9

    The concert was amazing. You ______ have had a great time.

  10. 10

    The quantum state was observed to be 'spin up'. According to the Pauli exclusion principle, an adjacent particle in the same system ______ also be 'spin up'.

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