Must / Can't para Dedução Lógica

Must / Can't para Dedução Lógica — Exercise 2

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Must / Can't para Dedução Lógica — Exercise 2

Practice English grammar topic Must / Can't para Dedução Lógica with 10 multiple-choice questions. Answer at least 70% correctly to complete the test.

Use must e can't para expressar dedução lógica — must para conclusões positivas quase certas e can't para conclusões negativas quase certas. Inclui deduções passadas com must have e can't have.

B2 · Intermédio Superior TOEIC 605–780 IELTS 5,5–6,5 Modalidade (Verbos Modais)
10 questions Nota mínima: 70% Test 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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